GAF
Protecting What Matters Most, for over a century
GAF is North America’s largest and most advanced roofing and waterproofing manufacturer. With customer-driven innovation, the company has protected homes, businesses, families and communities for over 130 years.
Unique products and solutions
that go way beyond the surface
Residential Roofing Systems
Shingles
Metal Roofing
Leak Barriers
Underlayment
Ventilation
Commercial Roofing Systems
TPO
PVC
Asphaltic Membranes
Insulation
Coatings
Coverboards
Accessories & Components
Specialty Products & Services
Granules
Glass Mat
Transportation
GAF Leadership Team
John Altmeyer
Chief Executive Officer
(Executive Chairman, Effective January 1, 2026)
(Executive Chairman, Effective January 1, 2026)
John Barkhouse
President
(Chief Executive Officer, Effective January 1, 2026)
(Chief Executive Officer, Effective January 1, 2026)
Martin DeBono
President, GAF Energy
Parag Agrawal
Chief Information Officer
Joe Dennes
SVP, Chief Technology Officer - Residential
Justin Dunlap
President, Speciality Products and Services
Jim Durkin
EVP, Steep Slope Systems Sales
Alma Garnett
SVP, Commercial Roofing Sales
Brian Kimber
Executive Vice President, Sales
Matthew Loncar
General Counsel
Michelle Moore
SVP, Supply Chain
Chris Peetz
Chief Operations Officer
JP Rebele
Chief Financial Officer
Christopher Rector
Chief Marketing Officer
Hari Reddy
SVP, Chief Technology Officer - Commercial
Stephanie Shaw
Chief Human Resources Officer
Pete Vollmar
SVP, Sales Operations