Mr. Hessler has more than 15 years of state government and congressional experience during which time he managed environmental and energy policy issues for elected officials and corporate and non-profit clients. Mr. Hessler represents a diverse group of clients ranging from Fortune 500 companies to non-profit policy organizations. Previously, Mr. Hessler served as the Deputy Staff Director for the United States Senate Committee on Environment and Public Works. There he was the principle staff member for issues related to the Clean Air Act, global climate change and energy. He also participated in a broad range of activity related to many other environmental statutes as well as highway, water, and other infrastructure funding issues.