T. Boone Pickens is the Founder of BP Capital. Mr. Pickens is active in the management of the BP Capital Equity Fund and Commodity Fund. In 1997, Mr. Pickens founded Pickens Fuel Corp., the predecessor company to Clean Energy. Mr. Pickens was also founder of Mesa Petroleum and was its CEO and Chairman for 40 years.

Recently retired as Chairman and President of Southern California Gas Company (SoCal), as well as San Diego Gas & Electric, Mr. Mitchell had day-to-day responsibilities for both the gas and electric utilities. Mr. Mitchell's career spanned 42 years at SoCal where he served in varying capacities. He also served as Chairman of the Natural Gas Vehicle Coalition as well as Chairman of the Pacific Coast Gas Association.

Mr. Herrington served as the U.S. Secretary of Energy during the Reagan Administration from 1985 to 1989. Previously, he was the Director of Presidential Personnel and Assistant Secretary of the Navy. After government service, Mr. Herrington was the Chairman of Harcourt, Brace, Jovanovich, Inc. He is active in California politics, develops real estate and owns a nationally recognized steakhouse. Prior to his government service, Mr. Herrington practiced law in San Francisco.

Andrew J. Littlefair serves as President and CEO of Clean Energy. Mr. Littlefair served for eight years as Chairman of NGVAmerica, a national organization dedicated to the development of a growing and sustainable market for vehicles powered by natural gas. Previously, Mr. Littlefair served as President of Pickens Fuel Corp., predecessor company of Clean Energy, which he co-founded in 1997 with Boone Pickens. Mr. Littlefair was an officer at Mesa Inc., and served in various capacities for 10 years. Mr. Littlefair also served in the Reagan White House from 1983–1987.

A former Director of the U.S. Office of Management and Budget, Mr. Miller previously served as Chairman of the Board of Governors of the United States Postal Service. Previously, he was Chairman of the CapAnalysis Group, an economic, financial and regulatory consulting firm associated with the international law firm Howrey, LLP. During the Reagan Administration, from 1981-1985, Mr. Miller chaired the U.S. Federal Trade Commission.

Mr. O'Connor is the former Chairman and CEO of Republic Services, Inc., one of the largest waste management companies in the U.S. He has also held various executive positions at Waste Management, Inc., including VP Southeastern Region; Area President of Waste Management of Florida, Inc.; and SVP of Waste Management North America. Mr. O'Connor is currently a member of the Board of Directors of Canadian National Railway Company.

Kenneth M. Socha is a Senior Managing Director of Perseus, L.L.C., a merchant bank and private equity fund management company headquartered in Washington, D.C. Prior to joining Perseus, Mr. Socha practiced corporate and securities law as a partner of Dewey Ballantine in New York City. From 1985 to 1991, Mr. Socha devoted a substantial amount of his time to the representation of Wesray Capital Corporation and its affiliates. He serves on the Board of Directors of the following Perseus portfolio companies: Baumot AG, Cymbet Corporation, Pinacl Solutions UK Ltd., and Seismic Equipment Solutions II, L.P. Mr. Socha was a contributing author of the first edition of The Art of M&A: A Merger Acquisition Buyout Guide, published by Dow Jones-Irwin.

Mr. Taormina is the former CEO of Taormina Industries, Inc., one of California's largest solid waste and recycling companies. In 1997, Taormina Industries merged with Republic Services, a publicly held waste handling company that operates throughout the United States. Mr. Taormina served as Regional Vice President of Republic Services from 1997 to 2001, managing the overall operations of 11 Western states. Since 2001, Mr. Taormina has served as a consultant to Republic Services and operates his own investment company.

Mr. Scully was founder and president of The Scully Companies, a truck leasing specialized contract carriage provider. Starting the company in 1981, he grew the business into the largest independent asset-based logistics provider in the western U.S. With over 30 years of experience in the trucking industry, Mr. Scully also served as chairman and director of National Truck Leasing System, board member of the Truck Rental and Leasing Association, board member of Ameriquest Transportation And Logistics Resources, and member of the California Trucking Association. He currently serves on the advisory board of the USC Wrigley Institute for Environmental Studies as well as the philanthropy committee of the International Fund for Animal Welfare, and holds a B.A. from the University of Southern California.