Cornerstone Building Brands, Inc., a leading manufacturer of exterior building products in North America, has appointed Suzanne Stefany as a member of its board of directors (the “Board”), effective June 1, 2025. Suzanne will serve on the Board’s Nominating and Corporate Governance and Compensation Committees.

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Suzanne Stefany | photo courtesy Cornerstone Building Brands

Suzanne is a Senior Advisor at PJT Partners, an advisory-focused investment bank headquartered in New York City, having previously served as a Partner from 2017 to 2024. At PJT Partners, Suzanne advises companies in the industrials space on global corporate transformations and complex situations. She brings extensive leadership experience in finance, corporate governance and capital markets, as well as a diverse business acumen.

“Suzanne’s deep strategic expertise and building materials industry knowledge, combined with her board experience, will be invaluable as we focus on being the partner of choice for customers and delivering top-tier growth and margins over the long term,” said John Krenicki, Chairman and Interim President and Chief Executive Officer, Cornerstone Building Brands. “We are excited to welcome her to our Board of Directors.”

Prior to joining PJT Partners, Suzanne served as Managing Director, Global Industry Analyst at Wellington Management, where she managed global portfolio mandates across the U.S., Europe and Asia. Earlier in her career, she held leadership roles at Loomis Sayles, Invesco Capital Management and Putnam Investments.

Suzanne has served on the board of directors for AMETEK since 2022, where she is a member of the Audit Committee, Compensation Committee and Governance Committee. Suzanne previously served on the board of directors of JELD-WEN, where she served as Lead Independent Director, Chair of the Nominating and Governance Committee and a member of the Compensation Committee. Suzanne holds a bachelor’s degree in Economics and Spanish from Tufts University and a master’s degree in Management and Finance from the MIT Sloan School of Management.

About Cornerstone Building Brands

Cornerstone Building Brands is a leading manufacturer of exterior building products 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 & Remodel (R&R) 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, multi-channel distribution platform and expansive national footprint includes more than 18,800 team members 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 cornerstonebuildingbrands.com.

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“Suzanne’s deep strategic expertise and building materials industry knowledge, combined with her board experience, will be invaluable as we focus on being the partner of choice for customers and delivering top-tier growth and margins over the long term,”