Peter Rothstein

Prior to joining Flagship in 2007, Mr. Rothstein was President of Allegro Strategy, a consultant, advisor and interim executive with early-stage, high-tech, and cleantech startups.
His work has focused on early-stage venture development, and is based on a career with extensive entrepreneurial, strategy, venture development, venture deals, acquisitions, and general management experience in energy and digital media/software markets.
In the past several years he has been an interim executive, advisor, and/or board member with a number of VC-funded early-stage companies, including cleantech startups Mascoma, Boston-Power, and Mechanology, and digital media/software ventures WorkshopLive, MetaCarta and Pyxis Mobile.
He has founded several companies including The Human Interface Group, Inc., which was acquired by Lotus Development in 1994.
Mr. Rothstein spent several years at Lotus and IBM in various executives roles focused on incubating, starting, and leading new knowledge management businesses, including strategy and acquisitions experience.
After Lotus/IBM, he was a Partner at Kodiak Venture Partners, focusing on seed and early stage Internet ventures before founding Allegro Strategy to work directly with early-stage ventures and to return to energy technology opportunities.
Mr. Rothstein has a Masters degree from the MIT Sloan School of Management with a concentration in energy economics and finance, and a BA in Environmental Design from Clark University.