Leadership Team

Great Building Solutions Demand Great Leadership

In order to create the great exterior building solutions our customers depend on; visionary leadership is essential. Our corporate leadership team and board of directors are comprised of individuals with years of experience in related industries and the motivation to ensure that Cornerstone Building Brands succeeds in achieving its corporate objectives.

Rose Lee

Rose Lee

President and Chief Executive Officer

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Rose Lee

President and Chief Executive Officer

Rose Lee has served as President and Chief Executive Officer of Cornerstone Building Brands since September 2021, joining its board of directors at the same time.

Prior to Cornerstone Building Brands, Rose was President of the DuPont Water & Protection reporting segment, where she led a diverse $5.6 billion business creating water, shelter, and safety solutions for a more sustainable world.

Previously, Rose held senior leadership positions at Saint-Gobain, serving the construction, transportation, energy, and defense sectors, and was Strategy Director and CIO of the North America region. Prior to Saint-Gobain, she held various engineering and management positions at Pratt & Whitney, now part of Raytheon Technologies, and was a Senior Consultant at Booz Allen Hamilton.

Rose is an independent board member of Honeywell and a former board member of Crown Holdings. In 2022, she was named to the National Association of Manufacturers’ board of directors, where she serves on its Executive Committee. She also served as the 2023 chair for the Manufacturing Institute’s Women MAKE America initiative.  Rose is a member of the Policy Advisory Board for Harvard’s Joint Center for Housing Studies and serves on its Executive Committee.  She also has served as a member of the Economic Advisory Council for the Federal Reserve Bank of Philadelphia.

Rose earned a Bachelor of Science in aerospace engineering from Cornell University, a Master of Science in mechanical engineering from Rensselaer Polytechnic Institute and an MBA from the Massachusetts Institute of Technology.

Jeffrey S. Lee

Jeffrey S. Lee

Executive Vice President and Chief Financial Officer

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Jeffrey S. Lee

Executive Vice President and Chief Financial Officer

Jeff Lee has served as Executive Vice President and Chief Financial Officer for Cornerstone Building Brands since June 2019. Prior to joining the Company, Mr. Lee was Senior Vice President and Chief Financial Officer of Wilsonart International since 2014. Wilsonart is a global manufacturer and distributor of decorative engineered surfaces like laminate, performance veneer and quartz surfaces for the commercial and residential markets. Before his role at Wilsonart, Mr. Lee was the Executive Vice President and Corporate CFO for Contech. He began his career at Eaton Corporation where he had a twelve-year career with various finance and operational roles of increasing responsibility. Mr. Lee holds a bachelor’s degree from the University of Utah and an M.B.A from Duke University. He is also a Six Sigma Champion and received Lean Training at the University of Tennessee.

Lisa Domnisch

Lisa Domnisch

President, Canadian Business Unit

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Lisa Domnisch

President, Canadian Business Unit

Lisa Domnisch joined Cornerstone Building Brands as President of our Canadian Business Unit in August 2023. Ms. Domnisch brings nearly 20 years of strategic leadership experience in product development, business planning, sales and marketing, and operational excellence to Cornerstone Building Brands, serving most recently as Global Product Leader for DuPont’s Water & Protection construction business. Prior to this role, Ms. Domnisch held various leadership roles of increasing responsibility at DuPont and built a successful consulting practice accelerating results, building capability and aligning diverse stakeholders in the agriculture and not-for-profit sectors.

Ms. Domnisch studied political science at the University of Western Ontario and received an Honors of Business Administration diploma from the Canadian Institute of Business. A lifelong learner, she has completed Executive Leadership programs from the Columbia Graduate School of Business, MIT Sloan School of Management and the University of Guelph.

Matthew Ackley

Matthew Ackley

President, Shelter Solutions

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Matthew Ackley

President, Shelter Solutions

Matthew Ackley joined Cornerstone Building Brands as President, Engineered Building Systems on April 12, 2021, and was promoted to President, Shelter Solutions effective November 11, 2021. He brings with him nearly 20 years of accomplished leadership in the building materials industry. Most recently, Mr. Ackley served as Vice President, Sales for USG Corporation, overseeing its Commercial Ceilings and Corporate Accounts teams, where he led strategic planning, sales execution and revenue and profit growth efforts.

Mr. Ackley spent much of his career at USG Corporation, holding roles of increasing responsibility including Vice President, Architectural Sales; Area Manager, Central; Sr. Manager, Investor Relations; Category Manager, Interior Walls – L&W Supply and several other roles in sales and operations. He holds a B.A. in Economics and Spanish from University of Redlands and an MBA from Pepperdine University.

Petar Andrich

Petar Andrich

Executive Vice President, Chief Human Resources Officer

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Petar Andrich

Executive Vice President, Chief Human Resources Officer

Petar (Pete) Andrich joined Cornerstone Building Brands as Executive Vice President, Chief Human Resources Officer in July 2023, assuming responsibility for the company’s talent and culture strategy.

Mr. Andrich has nearly 30 years of global leadership experience, serving most recently as Vice President, Human Resources at Calumet Specialty Products, a leading specialty petroleum products company. Prior to Calumet, Mr. Andrich held various roles of increasing responsibility at Amcor, ASR Group, British Petroleum (BP), General Electric (GE) and PPG Industries.

Mr. Andrich holds a bachelor’s degree from Purdue University and a master’s degree from the University of West Florida.

Alena Brenner

Alena Brenner

Executive Vice President, General Counsel and Corporate Secretary

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Alena Brenner

Executive Vice President, General Counsel and Corporate Secretary

Alena Brenner joined Cornerstone Building Brands as Executive Vice President, General Counsel and Corporate Secretary on April 5, 2021, assuming the company’s legal, compliance and risk management functions.

Ms. Brenner brings with her more than 20 years of legal experience, most recently serving as Vice President and Deputy General Counsel for Ryder System, Inc., a transportation and logistics company.

Prior to her work with Ryder, Ms. Brenner was the Director of Commercial Law and M&A at the New York headquarters of Anheuser-Busch InBev (AB InBev). She previously spent over eight years at the New York City office of the law firm Hunton & Williams (now Hunton Andrews Kurth LLP) working in the Global Capital Markets and M&A group.

Ms. Brenner earned a bachelor’s degree in Industrial and Labour Relations from Cornell University and a juris doctorate from Fordham University School of Law. Ms. Brenner also serves on the board for Teach for America – Miami, a non-profit organization focused on recruiting outstanding and diverse leaders to teach in K-12 schools in low-income communities.

Melissa Jones

Melissa Jones

President, Surface Solutions

view Bio

Melissa Jones

President, Surface Solutions

Melissa Jones serves as President, Surface Solutions, having joined Cornerstone Building Brands in July 2022.

Ms. Jones brings more than 20 years of leadership experience and demonstrated success delivering revenue and profit growth through customer-centric organic growth strategies, M&A integration, operational excellence, and commercial excellence in the industrial machinery and electrical manufacturing industries. Most recently, Ms. Jones served as Group President, Commercial Water Solutions at Pentair, a global water treatment and solutions company, where she also held other various roles of increasing responsibility.

Prior to Pentair, Ms. Jones was Director of Product, Channel and Marketing at Generac Power Systems and Director of Marketing at Johnson Controls. She has also worked in corporate marketing functions at Abbott Laboratories, Milwaukee Tool and Stanley Black & Decker.

Ms. Jones holds a Bachelor of Arts in economics from St. Mary’s Honors College of Maryland and an M.B.A from the University of Maryland.

Colleen Pritchett

Colleen Pritchett

President, U.S. Windows

view Bio

Colleen Pritchett

President, U.S. Windows

Colleen Pritchett joined Cornerstone Building Brands as President, U.S. Windows on August 29, 2022, assuming responsibility for the company’s residential windows and doors business.

Ms. Pritchett has over 20 years of global leadership experience with demonstrated success improving operations and expanding product portfolios through innovation and growth strategies in the industrial, electronics and aerospace industries. Most recently, Ms. Pritchett served as President, Americas Aerospace, a division of Hexcel Corporation, where she was responsible for a P&L business valued at more than a billion-dollar P&L, as well as several thousand employees.

Prior to Hexcel, Ms. Pritchett spent 22 years in various roles of increasing responsibility with DuPont, where she gained extensive global and cross-functional leadership experience.

Ms. Pritchett received her Bachelor of Science in chemical engineering from Penn State University and an MBA from Goizueta Business School at Emory University. She also has leadership training from the Harvard Business School Leadership Program and Women in Governance Program at UCLA.

Susan S. Selle

Susan S. Selle

Chief Marketing Officer

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Susan S. Selle

Chief Marketing Officer

Susan S. Selle has served as Chief Marketing Officer for Cornerstone Building Brands, the merged NCI Building Systems and Ply Gem Building Products company, since November 2018. Before the merger, Ms. Selle served as Chief Marketing Officer for Ply Gem since July 2014. Before joining Ply Gem, Ms. Selle held senior marketing and brand leadership roles with Jarden Consumer Solutions (formerly Sunbeam Products) from 1998 – 2014. While at Jarden, she led global marketing, customer marketing, advertising strategy, category management, digital & social marketing, shopper marketing and portfolio brand management for leading brands such as Mr. Coffee, Crock-Pot, Oster, Sunbeam, Foodsaver, First Alert, Holmes, Margaritaville Products and Healthometer. Prior to joining Jarden, Ms. Selle was employed by Tyson Foods in Retail Product Marketing and Nestle Foods in Sales and Regional Marketing. She graduated from the University of Missouri – Columbia with a B.S in Marketing and Management and brings over 30 years of marketing experience with top Fortune 500 companies.

Alan Strassner

Alan Strassner

Executive Vice President, Chief Growth Officer

view Bio

Alan Strassner

Executive Vice President, Chief Growth Officer

Alan Strassner has served as Executive Vice President, Chief Growth Officer for Cornerstone Building Brands since 2022. His responsibilities include strategy, growth ventures, mergers & acquisitions, and integration. Mr. Strassner previously served as the Senior Vice President of Strategy & Business Development for Cornerstone Building Brands since 2018 and the Vice President of Corporate Strategy for NCI Building Systems since 2015. Prior to working at Cornerstone Building Brands, Alan held various corporate finance & strategy roles at a family office and was employed by Ernst & Young from 2006 to 2011. Mr. Strassner holds an MBA from Rice University, Jones Graduate School of Business and an MSA/BBA from the Honors College at the University of Houston, Bauer College of Business.

John N. Wallace

John N. Wallace

Executive Vice President, Operational Excellence

view Bio

John N. Wallace

Executive Vice President, Operational Excellence

John N. Wallace has served as Executive Vice President, Operational Excellence, for Cornerstone Building Brands since January 2023. Leading the enterprise-wide Operations Center of Excellence (CoE) team, his responsibilities include Supply Chain, Strategic Sourcing, Logistics & Transportation, Quality & Continuous Improvement, Business Transformation, Working Capital, Sales and Operations Planning and Environmental, Health & Safety. Mr. Wallace previously served as Senior Vice President of Operations – Shelter Solutions as well as President of our previously owned Coil Coating Business since 2020.

Mr. Wallace has spent 25 years in the manufacturing industry, holding various roles of diverse and increasing responsibility in Integration Management, Quality & Continuous Improvement, Human Resources, Customer Service and as a General Manager. Mr. Wallace earned his B.S. in Business Administration from Miami University in Oxford, Ohio and an MBA from Indiana Wesleyan University.

Rose Lee

Rose Lee

President and Chief Executive Officer

view Bio
Jeffrey S. Lee

Jeffrey S. Lee

Executive Vice President and Chief Financial Officer

view Bio

Rose Lee

President and Chief Executive Officer

Rose Lee has served as President and Chief Executive Officer of Cornerstone Building Brands since September 2021, joining its board of directors at the same time.

Prior to Cornerstone Building Brands, Rose was President of the DuPont Water & Protection reporting segment, where she led a diverse $5.6 billion business creating water, shelter, and safety solutions for a more sustainable world.

Previously, Rose held senior leadership positions at Saint-Gobain, serving the construction, transportation, energy, and defense sectors, and was Strategy Director and CIO of the North America region. Prior to Saint-Gobain, she held various engineering and management positions at Pratt & Whitney, now part of Raytheon Technologies, and was a Senior Consultant at Booz Allen Hamilton.

Rose is an independent board member of Honeywell and a former board member of Crown Holdings. In 2022, she was named to the National Association of Manufacturers’ board of directors, where she serves on its Executive Committee. She also served as the 2023 chair for the Manufacturing Institute’s Women MAKE America initiative.  Rose is a member of the Policy Advisory Board for Harvard’s Joint Center for Housing Studies and serves on its Executive Committee.  She also has served as a member of the Economic Advisory Council for the Federal Reserve Bank of Philadelphia.

Rose earned a Bachelor of Science in aerospace engineering from Cornell University, a Master of Science in mechanical engineering from Rensselaer Polytechnic Institute and an MBA from the Massachusetts Institute of Technology.

Jeffrey S. Lee

Executive Vice President and Chief Financial Officer

Jeff Lee has served as Executive Vice President and Chief Financial Officer for Cornerstone Building Brands since June 2019. Prior to joining the Company, Mr. Lee was Senior Vice President and Chief Financial Officer of Wilsonart International since 2014. Wilsonart is a global manufacturer and distributor of decorative engineered surfaces like laminate, performance veneer and quartz surfaces for the commercial and residential markets. Before his role at Wilsonart, Mr. Lee was the Executive Vice President and Corporate CFO for Contech. He began his career at Eaton Corporation where he had a twelve-year career with various finance and operational roles of increasing responsibility. Mr. Lee holds a bachelor’s degree from the University of Utah and an M.B.A from Duke University. He is also a Six Sigma Champion and received Lean Training at the University of Tennessee.

Lisa Domnisch

Lisa Domnisch

President, Canadian Business Unit

view Bio
Matthew Ackley

Matthew Ackley

President, Shelter Solutions

view Bio

Lisa Domnisch

President, Canadian Business Unit

Lisa Domnisch joined Cornerstone Building Brands as President of our Canadian Business Unit in August 2023. Ms. Domnisch brings nearly 20 years of strategic leadership experience in product development, business planning, sales and marketing, and operational excellence to Cornerstone Building Brands, serving most recently as Global Product Leader for DuPont’s Water & Protection construction business. Prior to this role, Ms. Domnisch held various leadership roles of increasing responsibility at DuPont and built a successful consulting practice accelerating results, building capability and aligning diverse stakeholders in the agriculture and not-for-profit sectors.

Ms. Domnisch studied political science at the University of Western Ontario and received an Honors of Business Administration diploma from the Canadian Institute of Business. A lifelong learner, she has completed Executive Leadership programs from the Columbia Graduate School of Business, MIT Sloan School of Management and the University of Guelph.

Matthew Ackley

President, Shelter Solutions

Matthew Ackley joined Cornerstone Building Brands as President, Engineered Building Systems on April 12, 2021, and was promoted to President, Shelter Solutions effective November 11, 2021. He brings with him nearly 20 years of accomplished leadership in the building materials industry. Most recently, Mr. Ackley served as Vice President, Sales for USG Corporation, overseeing its Commercial Ceilings and Corporate Accounts teams, where he led strategic planning, sales execution and revenue and profit growth efforts.

Mr. Ackley spent much of his career at USG Corporation, holding roles of increasing responsibility including Vice President, Architectural Sales; Area Manager, Central; Sr. Manager, Investor Relations; Category Manager, Interior Walls – L&W Supply and several other roles in sales and operations. He holds a B.A. in Economics and Spanish from University of Redlands and an MBA from Pepperdine University.

Petar Andrich

Petar Andrich

Executive Vice President, Chief Human Resources Officer

view Bio
Alena Brenner

Alena Brenner

Executive Vice President, General Counsel and Corporate Secretary

view Bio

Petar Andrich

Executive Vice President, Chief Human Resources Officer

Petar (Pete) Andrich joined Cornerstone Building Brands as Executive Vice President, Chief Human Resources Officer in July 2023, assuming responsibility for the company’s talent and culture strategy.

Mr. Andrich has nearly 30 years of global leadership experience, serving most recently as Vice President, Human Resources at Calumet Specialty Products, a leading specialty petroleum products company. Prior to Calumet, Mr. Andrich held various roles of increasing responsibility at Amcor, ASR Group, British Petroleum (BP), General Electric (GE) and PPG Industries.

Mr. Andrich holds a bachelor’s degree from Purdue University and a master’s degree from the University of West Florida.

Alena Brenner

Executive Vice President, General Counsel and Corporate Secretary

Alena Brenner joined Cornerstone Building Brands as Executive Vice President, General Counsel and Corporate Secretary on April 5, 2021, assuming the company’s legal, compliance and risk management functions.

Ms. Brenner brings with her more than 20 years of legal experience, most recently serving as Vice President and Deputy General Counsel for Ryder System, Inc., a transportation and logistics company.

Prior to her work with Ryder, Ms. Brenner was the Director of Commercial Law and M&A at the New York headquarters of Anheuser-Busch InBev (AB InBev). She previously spent over eight years at the New York City office of the law firm Hunton & Williams (now Hunton Andrews Kurth LLP) working in the Global Capital Markets and M&A group.

Ms. Brenner earned a bachelor’s degree in Industrial and Labour Relations from Cornell University and a juris doctorate from Fordham University School of Law. Ms. Brenner also serves on the board for Teach for America – Miami, a non-profit organization focused on recruiting outstanding and diverse leaders to teach in K-12 schools in low-income communities.

Melissa Jones

Melissa Jones

President, Surface Solutions

view Bio
Colleen Pritchett

Colleen Pritchett

President, U.S. Windows

view Bio

Melissa Jones

President, Surface Solutions

Melissa Jones serves as President, Surface Solutions, having joined Cornerstone Building Brands in July 2022.

Ms. Jones brings more than 20 years of leadership experience and demonstrated success delivering revenue and profit growth through customer-centric organic growth strategies, M&A integration, operational excellence, and commercial excellence in the industrial machinery and electrical manufacturing industries. Most recently, Ms. Jones served as Group President, Commercial Water Solutions at Pentair, a global water treatment and solutions company, where she also held other various roles of increasing responsibility.

Prior to Pentair, Ms. Jones was Director of Product, Channel and Marketing at Generac Power Systems and Director of Marketing at Johnson Controls. She has also worked in corporate marketing functions at Abbott Laboratories, Milwaukee Tool and Stanley Black & Decker.

Ms. Jones holds a Bachelor of Arts in economics from St. Mary’s Honors College of Maryland and an M.B.A from the University of Maryland.

Colleen Pritchett

President, U.S. Windows

Colleen Pritchett joined Cornerstone Building Brands as President, U.S. Windows on August 29, 2022, assuming responsibility for the company’s residential windows and doors business.

Ms. Pritchett has over 20 years of global leadership experience with demonstrated success improving operations and expanding product portfolios through innovation and growth strategies in the industrial, electronics and aerospace industries. Most recently, Ms. Pritchett served as President, Americas Aerospace, a division of Hexcel Corporation, where she was responsible for a P&L business valued at more than a billion-dollar P&L, as well as several thousand employees.

Prior to Hexcel, Ms. Pritchett spent 22 years in various roles of increasing responsibility with DuPont, where she gained extensive global and cross-functional leadership experience.

Ms. Pritchett received her Bachelor of Science in chemical engineering from Penn State University and an MBA from Goizueta Business School at Emory University. She also has leadership training from the Harvard Business School Leadership Program and Women in Governance Program at UCLA.

Susan S. Selle

Susan S. Selle

Chief Marketing Officer

view Bio
Alan Strassner

Alan Strassner

Executive Vice President, Chief Growth Officer

view Bio

Susan S. Selle

Chief Marketing Officer

Susan S. Selle has served as Chief Marketing Officer for Cornerstone Building Brands, the merged NCI Building Systems and Ply Gem Building Products company, since November 2018. Before the merger, Ms. Selle served as Chief Marketing Officer for Ply Gem since July 2014. Before joining Ply Gem, Ms. Selle held senior marketing and brand leadership roles with Jarden Consumer Solutions (formerly Sunbeam Products) from 1998 – 2014. While at Jarden, she led global marketing, customer marketing, advertising strategy, category management, digital & social marketing, shopper marketing and portfolio brand management for leading brands such as Mr. Coffee, Crock-Pot, Oster, Sunbeam, Foodsaver, First Alert, Holmes, Margaritaville Products and Healthometer. Prior to joining Jarden, Ms. Selle was employed by Tyson Foods in Retail Product Marketing and Nestle Foods in Sales and Regional Marketing. She graduated from the University of Missouri – Columbia with a B.S in Marketing and Management and brings over 30 years of marketing experience with top Fortune 500 companies.

Alan Strassner

Executive Vice President, Chief Growth Officer

Alan Strassner has served as Executive Vice President, Chief Growth Officer for Cornerstone Building Brands since 2022. His responsibilities include strategy, growth ventures, mergers & acquisitions, and integration. Mr. Strassner previously served as the Senior Vice President of Strategy & Business Development for Cornerstone Building Brands since 2018 and the Vice President of Corporate Strategy for NCI Building Systems since 2015. Prior to working at Cornerstone Building Brands, Alan held various corporate finance & strategy roles at a family office and was employed by Ernst & Young from 2006 to 2011. Mr. Strassner holds an MBA from Rice University, Jones Graduate School of Business and an MSA/BBA from the Honors College at the University of Houston, Bauer College of Business.

John N. Wallace

John N. Wallace

Executive Vice President, Operational Excellence

view Bio

John N. Wallace

Executive Vice President, Operational Excellence

John N. Wallace has served as Executive Vice President, Operational Excellence, for Cornerstone Building Brands since January 2023. Leading the enterprise-wide Operations Center of Excellence (CoE) team, his responsibilities include Supply Chain, Strategic Sourcing, Logistics & Transportation, Quality & Continuous Improvement, Business Transformation, Working Capital, Sales and Operations Planning and Environmental, Health & Safety. Mr. Wallace previously served as Senior Vice President of Operations – Shelter Solutions as well as President of our previously owned Coil Coating Business since 2020.

Mr. Wallace has spent 25 years in the manufacturing industry, holding various roles of diverse and increasing responsibility in Integration Management, Quality & Continuous Improvement, Human Resources, Customer Service and as a General Manager. Mr. Wallace earned his B.S. in Business Administration from Miami University in Oxford, Ohio and an MBA from Indiana Wesleyan University.

Rose Lee

Rose Lee

President and Chief Executive Officer

view Bio
Jeffrey S. Lee

Jeffrey S. Lee

Executive Vice President and Chief Financial Officer

view Bio
Lisa Domnisch

Lisa Domnisch

President, Canadian Business Unit

view Bio

Rose Lee

President and Chief Executive Officer

Rose Lee has served as President and Chief Executive Officer of Cornerstone Building Brands since September 2021, joining its board of directors at the same time.

Prior to Cornerstone Building Brands, Rose was President of the DuPont Water & Protection reporting segment, where she led a diverse $5.6 billion business creating water, shelter, and safety solutions for a more sustainable world.

Previously, Rose held senior leadership positions at Saint-Gobain, serving the construction, transportation, energy, and defense sectors, and was Strategy Director and CIO of the North America region. Prior to Saint-Gobain, she held various engineering and management positions at Pratt & Whitney, now part of Raytheon Technologies, and was a Senior Consultant at Booz Allen Hamilton.

Rose is an independent board member of Honeywell and a former board member of Crown Holdings. In 2022, she was named to the National Association of Manufacturers’ board of directors, where she serves on its Executive Committee. She also served as the 2023 chair for the Manufacturing Institute’s Women MAKE America initiative.  Rose is a member of the Policy Advisory Board for Harvard’s Joint Center for Housing Studies and serves on its Executive Committee.  She also has served as a member of the Economic Advisory Council for the Federal Reserve Bank of Philadelphia.

Rose earned a Bachelor of Science in aerospace engineering from Cornell University, a Master of Science in mechanical engineering from Rensselaer Polytechnic Institute and an MBA from the Massachusetts Institute of Technology.

Jeffrey S. Lee

Executive Vice President and Chief Financial Officer

Jeff Lee has served as Executive Vice President and Chief Financial Officer for Cornerstone Building Brands since June 2019. Prior to joining the Company, Mr. Lee was Senior Vice President and Chief Financial Officer of Wilsonart International since 2014. Wilsonart is a global manufacturer and distributor of decorative engineered surfaces like laminate, performance veneer and quartz surfaces for the commercial and residential markets. Before his role at Wilsonart, Mr. Lee was the Executive Vice President and Corporate CFO for Contech. He began his career at Eaton Corporation where he had a twelve-year career with various finance and operational roles of increasing responsibility. Mr. Lee holds a bachelor’s degree from the University of Utah and an M.B.A from Duke University. He is also a Six Sigma Champion and received Lean Training at the University of Tennessee.

Lisa Domnisch

President, Canadian Business Unit

Lisa Domnisch joined Cornerstone Building Brands as President of our Canadian Business Unit in August 2023. Ms. Domnisch brings nearly 20 years of strategic leadership experience in product development, business planning, sales and marketing, and operational excellence to Cornerstone Building Brands, serving most recently as Global Product Leader for DuPont’s Water & Protection construction business. Prior to this role, Ms. Domnisch held various leadership roles of increasing responsibility at DuPont and built a successful consulting practice accelerating results, building capability and aligning diverse stakeholders in the agriculture and not-for-profit sectors.

Ms. Domnisch studied political science at the University of Western Ontario and received an Honors of Business Administration diploma from the Canadian Institute of Business. A lifelong learner, she has completed Executive Leadership programs from the Columbia Graduate School of Business, MIT Sloan School of Management and the University of Guelph.

Matthew Ackley

Matthew Ackley

President, Shelter Solutions

view Bio
Petar Andrich

Petar Andrich

Executive Vice President, Chief Human Resources Officer

view Bio
Alena Brenner

Alena Brenner

Executive Vice President, General Counsel and Corporate Secretary

view Bio

Matthew Ackley

President, Shelter Solutions

Matthew Ackley joined Cornerstone Building Brands as President, Engineered Building Systems on April 12, 2021, and was promoted to President, Shelter Solutions effective November 11, 2021. He brings with him nearly 20 years of accomplished leadership in the building materials industry. Most recently, Mr. Ackley served as Vice President, Sales for USG Corporation, overseeing its Commercial Ceilings and Corporate Accounts teams, where he led strategic planning, sales execution and revenue and profit growth efforts.

Mr. Ackley spent much of his career at USG Corporation, holding roles of increasing responsibility including Vice President, Architectural Sales; Area Manager, Central; Sr. Manager, Investor Relations; Category Manager, Interior Walls – L&W Supply and several other roles in sales and operations. He holds a B.A. in Economics and Spanish from University of Redlands and an MBA from Pepperdine University.

Petar Andrich

Executive Vice President, Chief Human Resources Officer

Petar (Pete) Andrich joined Cornerstone Building Brands as Executive Vice President, Chief Human Resources Officer in July 2023, assuming responsibility for the company’s talent and culture strategy.

Mr. Andrich has nearly 30 years of global leadership experience, serving most recently as Vice President, Human Resources at Calumet Specialty Products, a leading specialty petroleum products company. Prior to Calumet, Mr. Andrich held various roles of increasing responsibility at Amcor, ASR Group, British Petroleum (BP), General Electric (GE) and PPG Industries.

Mr. Andrich holds a bachelor’s degree from Purdue University and a master’s degree from the University of West Florida.

Alena Brenner

Executive Vice President, General Counsel and Corporate Secretary

Alena Brenner joined Cornerstone Building Brands as Executive Vice President, General Counsel and Corporate Secretary on April 5, 2021, assuming the company’s legal, compliance and risk management functions.

Ms. Brenner brings with her more than 20 years of legal experience, most recently serving as Vice President and Deputy General Counsel for Ryder System, Inc., a transportation and logistics company.

Prior to her work with Ryder, Ms. Brenner was the Director of Commercial Law and M&A at the New York headquarters of Anheuser-Busch InBev (AB InBev). She previously spent over eight years at the New York City office of the law firm Hunton & Williams (now Hunton Andrews Kurth LLP) working in the Global Capital Markets and M&A group.

Ms. Brenner earned a bachelor’s degree in Industrial and Labour Relations from Cornell University and a juris doctorate from Fordham University School of Law. Ms. Brenner also serves on the board for Teach for America – Miami, a non-profit organization focused on recruiting outstanding and diverse leaders to teach in K-12 schools in low-income communities.

Melissa Jones

Melissa Jones

President, Surface Solutions

view Bio
Colleen Pritchett

Colleen Pritchett

President, U.S. Windows

view Bio
Susan S. Selle

Susan S. Selle

Chief Marketing Officer

view Bio

Melissa Jones

President, Surface Solutions

Melissa Jones serves as President, Surface Solutions, having joined Cornerstone Building Brands in July 2022.

Ms. Jones brings more than 20 years of leadership experience and demonstrated success delivering revenue and profit growth through customer-centric organic growth strategies, M&A integration, operational excellence, and commercial excellence in the industrial machinery and electrical manufacturing industries. Most recently, Ms. Jones served as Group President, Commercial Water Solutions at Pentair, a global water treatment and solutions company, where she also held other various roles of increasing responsibility.

Prior to Pentair, Ms. Jones was Director of Product, Channel and Marketing at Generac Power Systems and Director of Marketing at Johnson Controls. She has also worked in corporate marketing functions at Abbott Laboratories, Milwaukee Tool and Stanley Black & Decker.

Ms. Jones holds a Bachelor of Arts in economics from St. Mary’s Honors College of Maryland and an M.B.A from the University of Maryland.

Colleen Pritchett

President, U.S. Windows

Colleen Pritchett joined Cornerstone Building Brands as President, U.S. Windows on August 29, 2022, assuming responsibility for the company’s residential windows and doors business.

Ms. Pritchett has over 20 years of global leadership experience with demonstrated success improving operations and expanding product portfolios through innovation and growth strategies in the industrial, electronics and aerospace industries. Most recently, Ms. Pritchett served as President, Americas Aerospace, a division of Hexcel Corporation, where she was responsible for a P&L business valued at more than a billion-dollar P&L, as well as several thousand employees.

Prior to Hexcel, Ms. Pritchett spent 22 years in various roles of increasing responsibility with DuPont, where she gained extensive global and cross-functional leadership experience.

Ms. Pritchett received her Bachelor of Science in chemical engineering from Penn State University and an MBA from Goizueta Business School at Emory University. She also has leadership training from the Harvard Business School Leadership Program and Women in Governance Program at UCLA.

Susan S. Selle

Chief Marketing Officer

Susan S. Selle has served as Chief Marketing Officer for Cornerstone Building Brands, the merged NCI Building Systems and Ply Gem Building Products company, since November 2018. Before the merger, Ms. Selle served as Chief Marketing Officer for Ply Gem since July 2014. Before joining Ply Gem, Ms. Selle held senior marketing and brand leadership roles with Jarden Consumer Solutions (formerly Sunbeam Products) from 1998 – 2014. While at Jarden, she led global marketing, customer marketing, advertising strategy, category management, digital & social marketing, shopper marketing and portfolio brand management for leading brands such as Mr. Coffee, Crock-Pot, Oster, Sunbeam, Foodsaver, First Alert, Holmes, Margaritaville Products and Healthometer. Prior to joining Jarden, Ms. Selle was employed by Tyson Foods in Retail Product Marketing and Nestle Foods in Sales and Regional Marketing. She graduated from the University of Missouri – Columbia with a B.S in Marketing and Management and brings over 30 years of marketing experience with top Fortune 500 companies.

Alan Strassner

Alan Strassner

Executive Vice President, Chief Growth Officer

view Bio
John N. Wallace

John N. Wallace

Executive Vice President, Operational Excellence

view Bio

Alan Strassner

Executive Vice President, Chief Growth Officer

Alan Strassner has served as Executive Vice President, Chief Growth Officer for Cornerstone Building Brands since 2022. His responsibilities include strategy, growth ventures, mergers & acquisitions, and integration. Mr. Strassner previously served as the Senior Vice President of Strategy & Business Development for Cornerstone Building Brands since 2018 and the Vice President of Corporate Strategy for NCI Building Systems since 2015. Prior to working at Cornerstone Building Brands, Alan held various corporate finance & strategy roles at a family office and was employed by Ernst & Young from 2006 to 2011. Mr. Strassner holds an MBA from Rice University, Jones Graduate School of Business and an MSA/BBA from the Honors College at the University of Houston, Bauer College of Business.

John N. Wallace

Executive Vice President, Operational Excellence

John N. Wallace has served as Executive Vice President, Operational Excellence, for Cornerstone Building Brands since January 2023. Leading the enterprise-wide Operations Center of Excellence (CoE) team, his responsibilities include Supply Chain, Strategic Sourcing, Logistics & Transportation, Quality & Continuous Improvement, Business Transformation, Working Capital, Sales and Operations Planning and Environmental, Health & Safety. Mr. Wallace previously served as Senior Vice President of Operations – Shelter Solutions as well as President of our previously owned Coil Coating Business since 2020.

Mr. Wallace has spent 25 years in the manufacturing industry, holding various roles of diverse and increasing responsibility in Integration Management, Quality & Continuous Improvement, Human Resources, Customer Service and as a General Manager. Mr. Wallace earned his B.S. in Business Administration from Miami University in Oxford, Ohio and an MBA from Indiana Wesleyan University.

Lisa Domnisch

Lisa Domnisch

President, Canadian Business Unit

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Lisa Domnisch

President, Canadian Business Unit

Lisa Domnisch joined Cornerstone Building Brands as President of our Canadian Business Unit in August 2023. Ms. Domnisch brings nearly 20 years of strategic leadership experience in product development, business planning, sales and marketing, and operational excellence to Cornerstone Building Brands, serving most recently as Global Product Leader for DuPont’s Water & Protection construction business. Prior to this role, Ms. Domnisch held various leadership roles of increasing responsibility at DuPont and built a successful consulting practice accelerating results, building capability and aligning diverse stakeholders in the agriculture and not-for-profit sectors.

Ms. Domnisch studied political science at the University of Western Ontario and received an Honors of Business Administration diploma from the Canadian Institute of Business. A lifelong learner, she has completed Executive Leadership programs from the Columbia Graduate School of Business, MIT Sloan School of Management and the University of Guelph.

Steve Richardson

Steve Richardson

Vice President, Supply Chain, Cornerstone Building Brands, Canadian Business Unit

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Steve Richardson

Vice President, Supply Chain, Cornerstone Building Brands, Canadian Business Unit

Steve Richardson joined the Cornerstone Building Brands Canadian Business Unit in April 2015. He has held various positions, including Purchasing Manager, Director of Strategic Sourcing and Inventory, Director of Purchasing – Product Management and Inventory, and his current position as Vice President, Supply Chain for the Cornerstone Building Brands Canadian Business Unit. Mr. Richardson has held numerous senior procurement positions in his career with companies including Ferrero Canada, Blackberry, and ABM and carries extensive knowledge of supply chain logistics, strategy, and operations.

Mr. Richardson earned a Bachelor of Arts degree from Wilfred Laurier University in 2005 and, more recently, an M.B.A. from the Jack Welch Management Institute.

Craig Dieterle

Craig Dieterle

Vice President, Finance, Cornerstone Building Brands, Canadian Business Unit

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Craig Dieterle

Vice President, Finance, Cornerstone Building Brands, Canadian Business Unit

Craig Dieterle has served as Vice President, Finance for the Cornerstone Building Brands Canadian Business Unit since 2018. Prior to this appointment, Mr. Dieterle was the Controller for Mitten Building Products from 2012-2015 and became Director of Finance overseeing Mitten and Ply Gem Canada from 2015-2018.

Before his role with Cornerstone Building Brands, Mr. Dieterle was the Finance Manager for Waterloo Brewing, Ontario’s largest Canadian-owned brewery. He was responsible for financial reporting and support to the operations and commercial teams. He began his public accounting career with PwC, the second-largest professional services network globally, and has held various roles of increasing responsibility since then.

Mr. Dieterle has a Bachelor of Business Administration from Wilfrid Laurier University and holds a CPA, CA designation.

Mike Ciardullo

Mike Ciardullo

Director of Sales, North Star Windows & Doors

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Mike Ciardullo

Director of Sales, North Star Windows & Doors

Mike Ciardullo joined the Cornerstone Building Brands Canadian Business Unit as Director of Sales, Brock Doors & Windows on June 1, 2021, and was promoted to General Manager effective May 1, 2022, leading the brand’s strategic initiatives and growth objectives. In June 2023, Mike became the Director of Sales, North Star Windows & Doors, with responsibilities ranging from sales strategy advancement, market share acquisition and customer growth.

Prior to joining the Company, Mike held the position of Vice President, Sales & Partnership Development with Peak Installations from 2013-2021, the authorized installation division of Home Depot Canada where he led a high-performance sales team, driving profitable sales growth.

Mr. Ciardullo has over 25 years of accomplished experience in the home renovation industry

Michael Pegues

Michael Pegues

Director, Robertson Building Systems

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Michael Pegues

Director, Robertson Building Systems

Michael Pegues joined the Cornerstone Building Brands Canadian Business Unit as Director of Robertson Building Systems in August 2021. Mr. Pegues is responsible for overseeing sales while collaborating with marketing, customer service, drafting and engineering to drive profitable growth for the Robertson commercial portfolio.

Mr. Pegues is an accomplished professional with a record of driving business growth and developing talent. He comes with more than ten years of experience in sales and marketing leadership roles at CGC, four years in operations at Praxair, and previous experience in the steel industry working for Stelco.

Mr. Pegues earned a Bachelor of Commerce from McMaster University in Hamilton, Ontario, and an Executive M.B.A. from Pepperdine University in Malibu, California.

Sheldon Dyck

Sheldon Dyck

Director of Operations, Windows and Doors Canada

view Bio

Sheldon Dyck

Director of Operations, Windows and Doors Canada

Sheldon Dyck joined the Cornerstone Building Brands Canadian Business Unit in 1989 as a Draftsperson for North Star Windows & Doors and has steadily served in various positions of increasing responsibility since then, including Service Manager, Office and IT Manager, Manager of Business Systems, and General Manager, leading to his role today as Director of Operations, Windows and Doors Canada.

Mr. Dyck brings years of industry knowledge to the organization. He holds a diploma in Business Administration and Microcomputers from the Toronto School of Business and a Professional Certificate of Management from Western University.

Becky Zulkosky

Becky Zulkosky

Director, IT, Cornerstone Building Brands, Canadian Business Unit

view Bio

Becky Zulkosky

Director, IT, Cornerstone Building Brands, Canadian Business Unit

Becky Zulkosky joined the Cornerstone Building Brands Canadian Business Unit as an entry-level IT resource in August 1998 and was responsible for bringing technological solutions to business initiatives through infrastructure, software development, and strategic investment at the Mitten Siding plant and Mitten Canadian branches. Promoted to IT Manager in 2006, she built a team to support the growing IT footprint and, in 2008, successfully launched a state-of-the-art, custom ERP. Promoted to Director IT in 2018, her role expanded to include the Canadian Ply Gem business unit, North Star Windows & Doors and Brock Doors & Windows in 2020. Currently, Becky is responsible for the development and execution of the strategic IT roadmap for the Canadian businesses and engaging a team of people passionate about leveraging technology to facilitate business growth.

Becky Zulkosky attended the University of Western Ontario, resides in Ayr, Ontario, with her children and husband, and volunteers her time to the local minor hockey association.

Dean Ressler

Dean Ressler

Vice President, Sales, Windows and Doors Canada

view Bio

Dean Ressler

Vice President, Sales, Windows and Doors Canada

Dean Ressler joined Cornerstone Building Brands in 1999 with Gienow Windows & Doors, evolving through a progressive growth trajectory across diverse roles and accumulating over 23 years of experience with the organization. Currently serving as the Vice President. Sales, Windows and Doors Canada, Mr. Ressler’s career is marked by a track record of advancing responsibilities and leadership.

Mr. Ressler attained his Business Administration diploma from Lethbridge College, and through a demonstrated commitment to continuous growth and lifelong learning, Dean pursued further academic accomplishments, recently earning an MBA from Athabasca University in 2022.

Dave Simpson

Dave Simpson

Vice President, Sales, Mitten Building Products

view Bio

Dave Simpson

Vice President, Sales, Mitten Building Products

Dave Simpson joined Cornerstone Building Brands as Vice President of Sales for Mitten Building Products in September 2023. Mr. Simpson joined us with an impressive career spanning over two decades in the building materials industry, including senior leadership roles in sales, marketing, and operations, serving most recently as Director of Sales and Marketing for Rheem Canada. Prior to this role, Mr. Simpson held the position of Regional Vice President for Gentek Building Products.

Mr. Simpson holds a degree Carleton University in Ottawa and earned his MBA from the University of Phoenix.

Kim Liegghio

Kim Liegghio

Director, Human Resources – Canada

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Kim Liegghio

Director, Human Resources – Canada

Kim Liegghio joined Cornerstone Building Brands on January 6, 2020, as the HR Manager for Mitten Building Products. On August 30, 2020, Ms. Liegghio was promoted to Director, Human Resources, assuming responsibility for both Mitten and Ply Gem Canada. More recently, Ms. Liegghio was promoted to Director, Human Resources – Canada, on April 2, 2023, and is responsible for leading the execution of the Company’s people strategies across the Canadian Business Unit.

Prior to Cornerstone Building Brands, Ms. Liegghio started her career in Human Resources in Automotive Manufacturing, with responsibilities that spanned both Health & Safety and Environmental while working at Sodecia London Inc, formerly AZ Automotive.

Ms. Liegghio obtained her Human Resources Management Certificate in 2009 and received her Certified Human Resources Leader (CHRL) designation with the Human Resources Professional Association of Ontario in 2013. Ms. Liegghio is currently in good standing with the HRPAO.

Lisa Domnisch

Lisa Domnisch

President, Canadian Business Unit

view Bio
Steve Richardson

Steve Richardson

Vice President, Supply Chain, Cornerstone Building Brands, Canadian Business Unit

view Bio

Lisa Domnisch

President, Canadian Business Unit

Lisa Domnisch joined Cornerstone Building Brands as President of our Canadian Business Unit in August 2023. Ms. Domnisch brings nearly 20 years of strategic leadership experience in product development, business planning, sales and marketing, and operational excellence to Cornerstone Building Brands, serving most recently as Global Product Leader for DuPont’s Water & Protection construction business. Prior to this role, Ms. Domnisch held various leadership roles of increasing responsibility at DuPont and built a successful consulting practice accelerating results, building capability and aligning diverse stakeholders in the agriculture and not-for-profit sectors.

Ms. Domnisch studied political science at the University of Western Ontario and received an Honors of Business Administration diploma from the Canadian Institute of Business. A lifelong learner, she has completed Executive Leadership programs from the Columbia Graduate School of Business, MIT Sloan School of Management and the University of Guelph.

Steve Richardson

Vice President, Supply Chain, Cornerstone Building Brands, Canadian Business Unit

Steve Richardson joined the Cornerstone Building Brands Canadian Business Unit in April 2015. He has held various positions, including Purchasing Manager, Director of Strategic Sourcing and Inventory, Director of Purchasing – Product Management and Inventory, and his current position as Vice President, Supply Chain for the Cornerstone Building Brands Canadian Business Unit. Mr. Richardson has held numerous senior procurement positions in his career with companies including Ferrero Canada, Blackberry, and ABM and carries extensive knowledge of supply chain logistics, strategy, and operations.

Mr. Richardson earned a Bachelor of Arts degree from Wilfred Laurier University in 2005 and, more recently, an M.B.A. from the Jack Welch Management Institute.

Craig Dieterle

Craig Dieterle

Vice President, Finance, Cornerstone Building Brands, Canadian Business Unit

view Bio
Mike Ciardullo

Mike Ciardullo

Director of Sales, North Star Windows & Doors

view Bio

Craig Dieterle

Vice President, Finance, Cornerstone Building Brands, Canadian Business Unit

Craig Dieterle has served as Vice President, Finance for the Cornerstone Building Brands Canadian Business Unit since 2018. Prior to this appointment, Mr. Dieterle was the Controller for Mitten Building Products from 2012-2015 and became Director of Finance overseeing Mitten and Ply Gem Canada from 2015-2018.

Before his role with Cornerstone Building Brands, Mr. Dieterle was the Finance Manager for Waterloo Brewing, Ontario’s largest Canadian-owned brewery. He was responsible for financial reporting and support to the operations and commercial teams. He began his public accounting career with PwC, the second-largest professional services network globally, and has held various roles of increasing responsibility since then.

Mr. Dieterle has a Bachelor of Business Administration from Wilfrid Laurier University and holds a CPA, CA designation.

Mike Ciardullo

Director of Sales, North Star Windows & Doors

Mike Ciardullo joined the Cornerstone Building Brands Canadian Business Unit as Director of Sales, Brock Doors & Windows on June 1, 2021, and was promoted to General Manager effective May 1, 2022, leading the brand’s strategic initiatives and growth objectives. In June 2023, Mike became the Director of Sales, North Star Windows & Doors, with responsibilities ranging from sales strategy advancement, market share acquisition and customer growth.

Prior to joining the Company, Mike held the position of Vice President, Sales & Partnership Development with Peak Installations from 2013-2021, the authorized installation division of Home Depot Canada where he led a high-performance sales team, driving profitable sales growth.

Mr. Ciardullo has over 25 years of accomplished experience in the home renovation industry

Michael Pegues

Michael Pegues

Director, Robertson Building Systems

view Bio
Sheldon Dyck

Sheldon Dyck

Director of Operations, Windows and Doors Canada

view Bio

Michael Pegues

Director, Robertson Building Systems

Michael Pegues joined the Cornerstone Building Brands Canadian Business Unit as Director of Robertson Building Systems in August 2021. Mr. Pegues is responsible for overseeing sales while collaborating with marketing, customer service, drafting and engineering to drive profitable growth for the Robertson commercial portfolio.

Mr. Pegues is an accomplished professional with a record of driving business growth and developing talent. He comes with more than ten years of experience in sales and marketing leadership roles at CGC, four years in operations at Praxair, and previous experience in the steel industry working for Stelco.

Mr. Pegues earned a Bachelor of Commerce from McMaster University in Hamilton, Ontario, and an Executive M.B.A. from Pepperdine University in Malibu, California.

Sheldon Dyck

Director of Operations, Windows and Doors Canada

Sheldon Dyck joined the Cornerstone Building Brands Canadian Business Unit in 1989 as a Draftsperson for North Star Windows & Doors and has steadily served in various positions of increasing responsibility since then, including Service Manager, Office and IT Manager, Manager of Business Systems, and General Manager, leading to his role today as Director of Operations, Windows and Doors Canada.

Mr. Dyck brings years of industry knowledge to the organization. He holds a diploma in Business Administration and Microcomputers from the Toronto School of Business and a Professional Certificate of Management from Western University.

Becky Zulkosky

Becky Zulkosky

Director, IT, Cornerstone Building Brands, Canadian Business Unit

view Bio
Dean Ressler

Dean Ressler

Vice President, Sales, Windows and Doors Canada

view Bio

Becky Zulkosky

Director, IT, Cornerstone Building Brands, Canadian Business Unit

Becky Zulkosky joined the Cornerstone Building Brands Canadian Business Unit as an entry-level IT resource in August 1998 and was responsible for bringing technological solutions to business initiatives through infrastructure, software development, and strategic investment at the Mitten Siding plant and Mitten Canadian branches. Promoted to IT Manager in 2006, she built a team to support the growing IT footprint and, in 2008, successfully launched a state-of-the-art, custom ERP. Promoted to Director IT in 2018, her role expanded to include the Canadian Ply Gem business unit, North Star Windows & Doors and Brock Doors & Windows in 2020. Currently, Becky is responsible for the development and execution of the strategic IT roadmap for the Canadian businesses and engaging a team of people passionate about leveraging technology to facilitate business growth.

Becky Zulkosky attended the University of Western Ontario, resides in Ayr, Ontario, with her children and husband, and volunteers her time to the local minor hockey association.

Dean Ressler

Vice President, Sales, Windows and Doors Canada

Dean Ressler joined Cornerstone Building Brands in 1999 with Gienow Windows & Doors, evolving through a progressive growth trajectory across diverse roles and accumulating over 23 years of experience with the organization. Currently serving as the Vice President. Sales, Windows and Doors Canada, Mr. Ressler’s career is marked by a track record of advancing responsibilities and leadership.

Mr. Ressler attained his Business Administration diploma from Lethbridge College, and through a demonstrated commitment to continuous growth and lifelong learning, Dean pursued further academic accomplishments, recently earning an MBA from Athabasca University in 2022.

Dave Simpson

Dave Simpson

Vice President, Sales, Mitten Building Products

view Bio
Kim Liegghio

Kim Liegghio

Director, Human Resources – Canada

view Bio

Dave Simpson

Vice President, Sales, Mitten Building Products

Dave Simpson joined Cornerstone Building Brands as Vice President of Sales for Mitten Building Products in September 2023. Mr. Simpson joined us with an impressive career spanning over two decades in the building materials industry, including senior leadership roles in sales, marketing, and operations, serving most recently as Director of Sales and Marketing for Rheem Canada. Prior to this role, Mr. Simpson held the position of Regional Vice President for Gentek Building Products.

Mr. Simpson holds a degree Carleton University in Ottawa and earned his MBA from the University of Phoenix.

Kim Liegghio

Director, Human Resources – Canada

Kim Liegghio joined Cornerstone Building Brands on January 6, 2020, as the HR Manager for Mitten Building Products. On August 30, 2020, Ms. Liegghio was promoted to Director, Human Resources, assuming responsibility for both Mitten and Ply Gem Canada. More recently, Ms. Liegghio was promoted to Director, Human Resources – Canada, on April 2, 2023, and is responsible for leading the execution of the Company’s people strategies across the Canadian Business Unit.

Prior to Cornerstone Building Brands, Ms. Liegghio started her career in Human Resources in Automotive Manufacturing, with responsibilities that spanned both Health & Safety and Environmental while working at Sodecia London Inc, formerly AZ Automotive.

Ms. Liegghio obtained her Human Resources Management Certificate in 2009 and received her Certified Human Resources Leader (CHRL) designation with the Human Resources Professional Association of Ontario in 2013. Ms. Liegghio is currently in good standing with the HRPAO.

Lisa Domnisch

Lisa Domnisch

President, Canadian Business Unit

view Bio
Steve Richardson

Steve Richardson

Vice President, Supply Chain, Cornerstone Building Brands, Canadian Business Unit

view Bio
Craig Dieterle

Craig Dieterle

Vice President, Finance, Cornerstone Building Brands, Canadian Business Unit

view Bio

Lisa Domnisch

President, Canadian Business Unit

Lisa Domnisch joined Cornerstone Building Brands as President of our Canadian Business Unit in August 2023. Ms. Domnisch brings nearly 20 years of strategic leadership experience in product development, business planning, sales and marketing, and operational excellence to Cornerstone Building Brands, serving most recently as Global Product Leader for DuPont’s Water & Protection construction business. Prior to this role, Ms. Domnisch held various leadership roles of increasing responsibility at DuPont and built a successful consulting practice accelerating results, building capability and aligning diverse stakeholders in the agriculture and not-for-profit sectors.

Ms. Domnisch studied political science at the University of Western Ontario and received an Honors of Business Administration diploma from the Canadian Institute of Business. A lifelong learner, she has completed Executive Leadership programs from the Columbia Graduate School of Business, MIT Sloan School of Management and the University of Guelph.

Steve Richardson

Vice President, Supply Chain, Cornerstone Building Brands, Canadian Business Unit

Steve Richardson joined the Cornerstone Building Brands Canadian Business Unit in April 2015. He has held various positions, including Purchasing Manager, Director of Strategic Sourcing and Inventory, Director of Purchasing – Product Management and Inventory, and his current position as Vice President, Supply Chain for the Cornerstone Building Brands Canadian Business Unit. Mr. Richardson has held numerous senior procurement positions in his career with companies including Ferrero Canada, Blackberry, and ABM and carries extensive knowledge of supply chain logistics, strategy, and operations.

Mr. Richardson earned a Bachelor of Arts degree from Wilfred Laurier University in 2005 and, more recently, an M.B.A. from the Jack Welch Management Institute.

Craig Dieterle

Vice President, Finance, Cornerstone Building Brands, Canadian Business Unit

Craig Dieterle has served as Vice President, Finance for the Cornerstone Building Brands Canadian Business Unit since 2018. Prior to this appointment, Mr. Dieterle was the Controller for Mitten Building Products from 2012-2015 and became Director of Finance overseeing Mitten and Ply Gem Canada from 2015-2018.

Before his role with Cornerstone Building Brands, Mr. Dieterle was the Finance Manager for Waterloo Brewing, Ontario’s largest Canadian-owned brewery. He was responsible for financial reporting and support to the operations and commercial teams. He began his public accounting career with PwC, the second-largest professional services network globally, and has held various roles of increasing responsibility since then.

Mr. Dieterle has a Bachelor of Business Administration from Wilfrid Laurier University and holds a CPA, CA designation.

Mike Ciardullo

Mike Ciardullo

Director of Sales, North Star Windows & Doors

view Bio
Michael Pegues

Michael Pegues

Director, Robertson Building Systems

view Bio
Sheldon Dyck

Sheldon Dyck

Director of Operations, Windows and Doors Canada

view Bio

Mike Ciardullo

Director of Sales, North Star Windows & Doors

Mike Ciardullo joined the Cornerstone Building Brands Canadian Business Unit as Director of Sales, Brock Doors & Windows on June 1, 2021, and was promoted to General Manager effective May 1, 2022, leading the brand’s strategic initiatives and growth objectives. In June 2023, Mike became the Director of Sales, North Star Windows & Doors, with responsibilities ranging from sales strategy advancement, market share acquisition and customer growth.

Prior to joining the Company, Mike held the position of Vice President, Sales & Partnership Development with Peak Installations from 2013-2021, the authorized installation division of Home Depot Canada where he led a high-performance sales team, driving profitable sales growth.

Mr. Ciardullo has over 25 years of accomplished experience in the home renovation industry

Michael Pegues

Director, Robertson Building Systems

Michael Pegues joined the Cornerstone Building Brands Canadian Business Unit as Director of Robertson Building Systems in August 2021. Mr. Pegues is responsible for overseeing sales while collaborating with marketing, customer service, drafting and engineering to drive profitable growth for the Robertson commercial portfolio.

Mr. Pegues is an accomplished professional with a record of driving business growth and developing talent. He comes with more than ten years of experience in sales and marketing leadership roles at CGC, four years in operations at Praxair, and previous experience in the steel industry working for Stelco.

Mr. Pegues earned a Bachelor of Commerce from McMaster University in Hamilton, Ontario, and an Executive M.B.A. from Pepperdine University in Malibu, California.

Sheldon Dyck

Director of Operations, Windows and Doors Canada

Sheldon Dyck joined the Cornerstone Building Brands Canadian Business Unit in 1989 as a Draftsperson for North Star Windows & Doors and has steadily served in various positions of increasing responsibility since then, including Service Manager, Office and IT Manager, Manager of Business Systems, and General Manager, leading to his role today as Director of Operations, Windows and Doors Canada.

Mr. Dyck brings years of industry knowledge to the organization. He holds a diploma in Business Administration and Microcomputers from the Toronto School of Business and a Professional Certificate of Management from Western University.

Becky Zulkosky

Becky Zulkosky

Director, IT, Cornerstone Building Brands, Canadian Business Unit

view Bio
Dean Ressler

Dean Ressler

Vice President, Sales, Windows and Doors Canada

view Bio
Dave Simpson

Dave Simpson

Vice President, Sales, Mitten Building Products

view Bio

Becky Zulkosky

Director, IT, Cornerstone Building Brands, Canadian Business Unit

Becky Zulkosky joined the Cornerstone Building Brands Canadian Business Unit as an entry-level IT resource in August 1998 and was responsible for bringing technological solutions to business initiatives through infrastructure, software development, and strategic investment at the Mitten Siding plant and Mitten Canadian branches. Promoted to IT Manager in 2006, she built a team to support the growing IT footprint and, in 2008, successfully launched a state-of-the-art, custom ERP. Promoted to Director IT in 2018, her role expanded to include the Canadian Ply Gem business unit, North Star Windows & Doors and Brock Doors & Windows in 2020. Currently, Becky is responsible for the development and execution of the strategic IT roadmap for the Canadian businesses and engaging a team of people passionate about leveraging technology to facilitate business growth.

Becky Zulkosky attended the University of Western Ontario, resides in Ayr, Ontario, with her children and husband, and volunteers her time to the local minor hockey association.

Dean Ressler

Vice President, Sales, Windows and Doors Canada

Dean Ressler joined Cornerstone Building Brands in 1999 with Gienow Windows & Doors, evolving through a progressive growth trajectory across diverse roles and accumulating over 23 years of experience with the organization. Currently serving as the Vice President. Sales, Windows and Doors Canada, Mr. Ressler’s career is marked by a track record of advancing responsibilities and leadership.

Mr. Ressler attained his Business Administration diploma from Lethbridge College, and through a demonstrated commitment to continuous growth and lifelong learning, Dean pursued further academic accomplishments, recently earning an MBA from Athabasca University in 2022.

Dave Simpson

Vice President, Sales, Mitten Building Products

Dave Simpson joined Cornerstone Building Brands as Vice President of Sales for Mitten Building Products in September 2023. Mr. Simpson joined us with an impressive career spanning over two decades in the building materials industry, including senior leadership roles in sales, marketing, and operations, serving most recently as Director of Sales and Marketing for Rheem Canada. Prior to this role, Mr. Simpson held the position of Regional Vice President for Gentek Building Products.

Mr. Simpson holds a degree Carleton University in Ottawa and earned his MBA from the University of Phoenix.

Kim Liegghio

Kim Liegghio

Director, Human Resources – Canada

view Bio

Kim Liegghio

Director, Human Resources – Canada

Kim Liegghio joined Cornerstone Building Brands on January 6, 2020, as the HR Manager for Mitten Building Products. On August 30, 2020, Ms. Liegghio was promoted to Director, Human Resources, assuming responsibility for both Mitten and Ply Gem Canada. More recently, Ms. Liegghio was promoted to Director, Human Resources – Canada, on April 2, 2023, and is responsible for leading the execution of the Company’s people strategies across the Canadian Business Unit.

Prior to Cornerstone Building Brands, Ms. Liegghio started her career in Human Resources in Automotive Manufacturing, with responsibilities that spanned both Health & Safety and Environmental while working at Sodecia London Inc, formerly AZ Automotive.

Ms. Liegghio obtained her Human Resources Management Certificate in 2009 and received her Certified Human Resources Leader (CHRL) designation with the Human Resources Professional Association of Ontario in 2013. Ms. Liegghio is currently in good standing with the HRPAO.