David co-founded NGP in 1988 and serves as Managing Partner. Prior to forming NGP, David was a Partner in the Bass Investment Limited Partnership ("BILP"), an investment partnership formed by the Bass family. Before joining BILP, David was a member of the Oil and Gas Investment Banking Group of Goldman Sachs.

Shelby Bonnie is co-founder and CEO of CNET Networks. Prior to CNET, Shelby worked at Tiger Management and Morgan Stanley. Shelby serves as a trustee of the Fine Arts Museums of San Francisco and is on the board of the Environmental Defense Fund.

John Deutch is an Institute Professor at MIT and has served as Chairman of the Department of Chemistry, Dean of Science and Provost. John has served as Director of Central Intelligence, the Deputy Secretary of Defense, Director of Energy Research, and Acting Assistant Secretary for Energy Technology. He serves as a director for Citigroup, Cummins, Raytheon and Schlumberger and is a trustee of Resources for the Future, the Urban Institute, and the Museum of Fine Arts, Boston.

Richard Lester is the founder and director of the MIT Industrial Performance Center and Professor of Nuclear Engineering at MIT. He is the author of several books including Made in America: Regaining the Productive Edge. Richard serves as an advisor or consultant to corporations, governments, and private foundations and non-profit groups, and lectures frequently to academic, business and general audiences throughout the world.

Ernie is Director of the Energy Initiative and of the Laboratory for Energy and the Environment at MIT. He has served as the Undersecretary of Energy and serves on the Board/Strategic Advisory Council of American Science & Engineering, Electric Power Research Institute, British Petroleum, Babcock & Wilcox, and Nexant.

Philip Smith is a Venture Partner with Natural Gas Partners. He previously co-founded and served as Chairman and CEO of Prize Energy Corp. Prior to Prize, Mr. Smith served as CEO of Tide West Oil Company.

Charles Stephenson is a Venture Partner with Natural Gas Partners. He previously founded and served as CEO of Bravo Natural Resources, Inc. and Bravo Natural Resources Holdings, L.L.C. Prior to Bravo, he served as COO of Spring Holding Company.

George Whitesides is the Woodford L. and Ann A. Flowers University Professor at Harvard. George has been awarded the National Medal of Science and the Kyoto Prize. He serves as director of Theravance, Rohm and Haas, Hughes Research Laboratories, Predicant Biosciences, and SurfaceLogix. He is a cofounder of GelTex Pharmaceuticals, Genzyme, and Theravance.

Gerald Wilson is Professor of Electrical Engineering and Mechanical Engineering at MIT and previously served as the Dean of MIT School of Engineering. Gerry is the Chairman of the Technical Advisory Committees of United Technologies and Pratt & Whitney. He serves as a director of Evergreen Solar, Nstar, and Analogics Technologies, and is the former Chairman of the Science Advisory Committee of General Motors.

Greg joined iRobot in 2003 to help lead the Company's commercial growth and develop further consumer applications. Under his leadership, the home robots business reported $94 million in revenues in 2005, a 100 percent increase since 2003. Before joining iRobot, Greg spent 10 years as a senior executive at The Holmes Group, a diversified consumer portable electric appliance company. During his tenure at The Holmes Group the Company experienced record growth as sales jumped from $60 million to over $650 million.