GAF Leadership
Executive Leadership Team
John Altmeyer
Chief Executive Officer
Chief Executive Officer
Randy Bargfrede
Chief Operations Officer
Chief Operations Officer
Martin DeBono
President, GAF Energy
President, GAF Energy
Joe Dennes
SVP, Chief Technology Officer - Residential
SVP, Chief Technology Officer - Residential
Jim Durkin
SVP, Steep Slope Systems Sales
SVP, Steep Slope Systems Sales
Alma Garnett
SVP, Commercial Roofing Sales
SVP, Commercial Roofing Sales
Philippe Georges
Chief Financial Officer
Chief Financial Officer
Lori Groth
Chief Information Officer
Chief Information Officer
Andy Hilton
Chief Communications and Corporate Social Responsibility Officer
Chief Communications and Corporate Social Responsibility Officer
Brian Kimber
EVP, Sales
EVP, Sales
Alex Liebman
Head of Corporate Development
and Strategy
Head of Corporate Development
and Strategy
Matt Loncar
General Counsel
General Counsel
Michelle Moore
SVP, Supply Chain
SVP, Supply Chain
Chris Rector
Chief Marketing Officer
Chief Marketing Officer
Hari Reddy
SVP, Chief Technology Officer - Commercial
SVP, Chief Technology Officer - Commercial
Stephanie Shaw
Chief Human Resources Officer
Chief Human Resources Officer
Abdallah Simaika
Chief of Staff
Chief of Staff
Pete Vollmar
SVP, Sales Operations
SVP, Sales Operations