William Osborn is the Founding Partner of the Massachusetts Green Energy Fund. He also currently manages Commons Capital, LP, a venture fund focusing on energy, healthcare, and environment investments. Mr. Osborn has served as a special partner with Arete Corporation, which manages $135 million in utility industry investments. Prior to that, he was a principal at Venture Investment Management Company, LLC (VIMAC), which invests in early stage IT and healthcare companies.

Mr. Osborn has an entrepreneurial background in the environmental and energy field, founding and managing an electric vehicle distribution subsidiary for a major utility company and starting a business development consulting firm. He also co-managed a venture capital fund for automaker BMW and was a management consultant with Arthur D. Little, where he led a consulting practice involved with new energy technologies. Prior to his consulting work, Mr. Osborn practiced law and managed a state government office promoting solar energy. Mr. Osborn sits or has recently been on the boards of several start-up and expansion-stage companies, including Evergreen Solar, Inc. (Nasdaq:ESLR), Domini Social Investments, World Power Technologies, Inc.,  Evolutionary Technologies, Inc., Surgical Sealants, Inc., Fingerlakes Aquaculture LLC, and Conservation Services Group.

Mr. Osborn is a founding Trustee of the Domini Social Equity Fund and Board Member of Investors’ Circle, where he has also chaired the Selection Committee that selects companies to present to members for investment. He holds a BA from Princeton University and a JD from George Washington Law School.