Cornerstone Building Brands Names New Canadian Business Unit President

Cornerstone Building Brands, Inc., the largest manufacturer of exterior building products in North America, today announced Lisa Domnisch has joined the company as president of its Canadian Business Unit. Ms. Domnisch assumed the role effective August 14, 2023, and reports directly to President and Chief Executive Officer Rose Lee.

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Cornerstone Building Brands Canadian Business Unit President, Lisa Domnisch (Photo: Business Wire)

Cornerstone Building Brands Canadian Business Unit President, Lisa Domnisch (Photo: Business Wire)

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. Most recently, she was global product leader for DuPont’s Water & Protection construction business where she was responsible for a $2B portfolio of building materials products and brands. Prior experience includes a range of leadership roles of increasing responsibility at DuPont, as well as building a successful consulting practice 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.

“I’m pleased to welcome Lisa to Cornerstone Building Brands,” said Rose Lee. “She is a collaborative, hands-on leader who will lead our Canadian Business Unit to greater growth by creating mutual value with our customers.”


About Cornerstone Building Brands

Cornerstone Building Brands is the largest manufacturer of exterior building products by sales for residential and low-rise non-residential buildings in North America. Headquartered in Cary, N.C., we serve residential and commercial customers across the new construction and repair and remodel markets. Our market-leading portfolio of products spans vinyl windows, vinyl siding, stone veneer, metal roofing, metal wall systems and metal accessories. Cornerstone Building Brands’ broad, multichannel distribution platform and expansive national footprint includes more than 20,000 employees at manufacturing, distribution and office locations throughout North America. Corporate stewardship and environmental, social and governance (ESG) responsibility are embedded in our culture. We are committed to contributing positively to the communities where we live, work and play. For more information, visit us at


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