# Gunner Smith

> Gunner Smith is CEO of Cornerstone Building Brands, a role he began on August 11, 2025, after 17 years at Owens Corning. Previously president of its Roofing business, he built his career in sales, distribution, marketing and pricing, including earlier roles at Ply Gem and Elk. He is also an independent director of Howmet Aerospace.

- **Role:** Chief Executive Officer at Cornerstone Building Brands
- **Organizations:** Cornerstone Building Brands, Howmet Aerospace, Owens Corning (former), Ply Gem (former), Elk Premium Building Products (former), Asphalt Roofing Manufacturers Association (former president), The Toledo Zoo & Aquarium (former operating board member)
- **Education:** Bachelor of Business Administration, Mississippi State University, Executive Selling credential, University of Chicago Booth School of Business, Continuing executive education, UNC Kenan-Flagler Business School, Continuing executive education, Texas McCombs School of Business
- **Known for:** Led Owens Corning’s Roofing business from 2018 to August 2025., Elected an independent director of Howmet Aerospace in September 2023., Appointed CEO of Cornerstone Building Brands in August 2025.

## Career timeline

- **1999-2007** — District sales manager and Southwest regional sales manager at Elk Premium Building Products.
- **2007-2008** — National sales manager at Ply Gem, including the Georgia-Pacific brand in its siding group.
- **2008** — Joined Owens Corning; subsequently held sales, marketing, pricing and distribution leadership roles.
- **2018-08** — Became president of Roofing and a member of the Owens Corning executive committee.
- **2023-09** — Elected an independent director of Howmet Aerospace, effective September 29.
- **2025-08** — Became CEO of Cornerstone Building Brands on August 11.

## Achievements

- Led Owens Corning’s Roofing business from 2018 to August 2025.
- Elected an independent director of Howmet Aerospace in September 2023.
- Appointed CEO of Cornerstone Building Brands in August 2025.
- Served as president of the Asphalt Roofing Manufacturers Association from January 2023 to January 2025, according to his public LinkedIn profile.

## Latest updates

- **2026-09** — Cornerstone released its 2025 Corporate Governance & Responsibility Report on September 17, with Smith discussing operational performance and responsible business practices.
- **2026-09** — Cornerstone announced Matthew Garth as CFO, effective September 14, overseeing finance and information technology.
- **2026-07** — Cornerstone appointed Austin So as executive vice president, general counsel and corporate secretary, effective July 13.
- **2026-05** — Cornerstone appointed Michael Pulcanio chief human resources officer on May 18.
- **2026-01** — Cornerstone named Jordan Davis its Home for Good ambassador and pledged building products valued at $500,000 for Habitat for Humanity in 2026.

## Links

- Website: https://www.cornerstonebuildingbrands.com
- LinkedIn: https://www.linkedin.com/in/gunnersmith

---

Profile page: https://yespress.io/gunner-smith
Published by YesPress — https://yespress.io
Last updated: 2026-10-21