Board of Directors

Stephen Scully

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.

Andrew J. Littlefair

Andrew J. Littlefair served as President and CEO of Clean Energy, a company he co-founded with T. Boone Pickens in 1997, until his retirement in 2026. Prior to that, Mr. Littlefair served as Vice President of Public Affairs at MESA Inc., then one of America’s largest independent producers of natural gas. In this role Littlefair oversaw the company’s natural gas vehicle activities and served as special assistant to Mr. Pickens.

Mr. Littlefair also served as Chairman of NGVAmerica for 8 years from 2003 to 2011. In 2004, he was named an NGV Champion by the International Association of Natural Gas Vehicles (IANGV). In 2014, Mr. Littlefair received an Environmental Leadership Award from the California League of Conservation Voters for his work in renewable natural gas and building America’s Natural Gas Highway.

Mr. Littlefair graduated from the University of Southern California with a B.A. in Political Science. He serves on the Ronald Reagan Presidential Foundation & Institute Board of Trustees.

Clay Corbus

Mr. Corbus serves as Clean Energy’s President and CEO. With nearly 20 years of experience on the company’s senior leadership team, he has developed corporate strategy, executed growth opportunities, overseen all M&A activities and capital-raising initiatives, and led Clean Energy’s RNG production and distribution businesses.

Previously, he served as Co-CEO of WR Hambrecht + Co, the firm that managed Clean Energy’s 2007 IPO. Earlier in his career, he worked at Donaldson, Lufkin & Jenrette, beginning in 1989. He graduated from Dartmouth College with an AB in Government and holds an MBA in Finance from Columbia University. Mr. Corbus currently serves as a director of Bed, Bath and Beyond and is a trustee of the College of the Atlantic. He has previously served on the boards of Alaska Energy and Resources Co., Niman Ranch, WR Hambrecht + Co, and Goodwill of San Francisco.