Mr. David Brown serves as the Chairman at NatureBridge. He was the Managing Partner of Oak Hill Venture Partners, and a Member of Headwater Partners I, an intellectual property investments fund. Mr. Dave Brown is an Advisor of Therapydia. He is a Board Member of Cargo Chief. He is also a Vice President of Keystone, Inc., leading Keystone's venture capital activities, including investments in 33 companies since 1998. From 1993 until 1998, Mr. Brown originated private equity investments and managed divestitures and completed financings on behalf of Keystone, LP. Prior to joining Keystone, he worked at Salomon Brothers Inc., where he was a Vice President in the corporate finance department. Mr. Brown serves on the board of Bowdoin College, Naturebridge, the Tuck Center for Private Equity and Entrepreneurship and several private and public companies. Mr. Brown holds a BA degree from Bowdoin College and an MBA from the Amos Tuck School of Business at Dartmouth College.