Donnell Rehagen

Chief Executive Officer

With more than 115 member companies, Clean Fuels Alliance America is the leading U.S. organization representing the biodiesel, renewable diesel and sustainable aviation fuel industries. As Chief Executive Officer, Donnell works closely with Clean Fuels Alliance America’s board of directors to ensure the industry has a clear, sharp vision of the future – full of growth and opportunity for the members it serves. Donnell provides leadership to Clean Fuels’ passionate staff made up of advocacy, technical, environmental science and communications professionals with a dedicated drive to see the industry reach its vision of six billion gallons of demand by 2030.

Donnell joined Clean Fuels Alliance America in 2004 as its Chief Operating Officer and assumed the role of Chief Executive Officer in 2016. Donnell has master’s in public administration from the University of Missouri – Columbia and a bachelor’s degree in Computer Information Systems from Missouri State University.


Made from an increasingly diverse mix of resources such as recycled cooking oil, soybean oil, and animal fats, the clean fuels industry is a proven, integral part of America’s clean energy future. Clean Fuels Alliance America is the U.S. trade association representing the entire biodiesel, renewable diesel and sustainable aviation fuel supply chain, including producers, feedstock suppliers and fuel distributors. Clean Fuels receives funding from a broad mix of private companies and associations, including the United Soybean Board and state checkoff organizations.