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Martin Grohman, LEED AP, is Director of Sustainability for GAF, North America’s largest roofing manufacturer. In this role he is responsible for both market facing initiatives such as promoting shingle recycling, as well as internal efforts promoting sustainability, such as the Company’s Zero-Waste-to-Landfill effort. Mr. Grohman is also a trustee of The Betterment Fund, a charitable organization that makes grants in conservation, education, and health care; and a member of the board of the Product Policy Institute. He is also a member of ASTM E60 Committee on Sustainability and the technical committee of ShingleRecycling.org.