Michael Klein is the co-founder and Chairman of the Sunlight Foundation. After more than 35 years of active law practice at Wilmer Cutler & Pickering (now WilmerHale), Mike retired from that partnership on January 1, 2006 in order to devote all of his time to the array of business and non-profit activities that have increasingly engaged him over the past decade. Principal among these are: Chairman of the Board of Directors of CoStarGroup, Inc. (NASDAQ symbol CSGP) of which he was a co-founder; Vice Chairman of the Board and Lead Director of Perini Corporation (NYSE symbol PCR); a member of the Board of Directors of SRA International, Inc. (NYSE symbol SRX); director of the privately held cargo carrier ASTAR Air Cargo, Inc., formerly DHL Airways, Inc., of which he is a co-owner; Chairman and CEO of the acclaimed DC restaurant Le Paradou LLC, of which he was a co-founder and is the principal shareholder; and Chairman of the Board of the DC art gallery Zenith Gallery, Inc. of which he was a co-founder. Mike also serves as a trustee of The American Himalayan Foundation and of The Shakespeare Theatre Company.