Mr. Corrsin is Executive Vice President and General Counsel of Ameresco, a leading energy solutions provider. He is also the Corporate Secretary and is a member of the Board of Directors. Mr. Corrsin has extensive experience with energy regulations, federal, state and local regulatory authorities, and complex energy construction and financing projects, gained through more than 23 years of energy-related legal practice. Mr. Corrsin oversees financial and regulatory issues of independent power, utility and energy conservation projects for Ameresco.

Mr. Corrsin was formerly an executive vice president of Public Power International, Inc., an independent developer of power projects in south Asia and Europe. Prior to joining PPI, Mr. Corrsin held various positions at Palmer & Dodge, LLP, where he co-founded the Palmer & Dodge Energy Group and represented independent power and energy conservation developers in the U.S. and overseas. Mr. Corrsin has also held positions at Chadbourne & Parke, Hudson Research, and the National Wildlife Federation; each position having a focus on energy.

Mr. Corrsin earned a J.D. degree from the University of Chicago and an A.B. degree in biology from Brown University.