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John Altmeyer
Chief Executive Officer at GAF
John Altmeyer is the Chief Executive Officer of GAF, North America's largest roofing manufacturer.12 He assumed this role in January 2023, succeeding Jim Schnepper.1
Career Background
Prior to becoming CEO, Altmeyer served as Executive Chairman of GAF's Commercial Roofing division from January 2021 to January 2023.3 During his tenure in this position, GAF's commercial sales more than doubled, and significant strategic progress was made to set the business up for continued growth.1
Before joining GAF, Altmeyer had an extensive career in the construction materials industry:
- He served as President and CEO of Carlisle Construction Materials for 21 years, from July 1997 to September 2018.3
- He has been a board member of EMCOR Group, Inc. since June 2014.3
- He also held board and advisory positions with Tecta America Commercial Roofing and JW Altmeyer Consulting.3
Education
Altmeyer holds a Bachelor of Science degree in Business Administration and Management from Cornell University (1977-1981) and a Master of Business Administration (MBA) from Harvard Business School (1987-1989).3
Leadership at GAF
As CEO, Altmeyer is tasked with driving GAF's next stage of growth and building on the company's success in both the residential and commercial roofing markets.2 He is known as a renowned industry leader with deep experience, relationships, and a strong track record in the roofing sector.12
