David Harrison

Mr. Harrison serves as Senior Vice President of Marketing, Contractor Services and Corporate Development at Building Materials Corporation of America ($1.4 billion) and serves on the Board of Directors.
The subsidiaries of BMCA, which is North America's largest roofing manufacturer includes GAF Materials Corporation, U.S.
Intec, Leatherback Industries, LL Building Products and Topcoat.
He also serves as President of the Canadian division and is responsible for all international operations.
Prior to BMCA, Mr. Harrison served as Vice President of Global Marketing at Armstrong World Industries Building Products Division.
Additionally, Mr. Harrison was Sr. Vice President of Marketing for the Centex Corporation, one of the largest developers and builders of commercial and residential properties in the world.