Standard Industries, New York, and GAF, Parsippany, N.J., have announced the appointment of John Barkhouse as CEO of GAF effective Jan. 1, 2026. At that time, current GAF CEO John Altmeyer will transition to the role of GAF’s executive chairman.
Since joining GAF as president in 2024, Barkhouse has led manufacturing, supply chain, and research and development for GAF’s Residential and Commercial divisions. Previously, he spent more than 25 years in manufacturing and operational leadership roles in the industrial, energy and services sectors.
“John Barkhouse is a collaborative, strategic leader who has gotten to know our business and our people, and I couldn’t be more confident that he is the right person to serve as the next CEO of GAF,” Altmeyer said. “It has been the honor of my career to lead this company, and I look forward to continuing to support John and the team in all that’s to come.”
