At CEO (Boardroom Media) we track over 1,000,000 startups and over 5,000,000 people who hold key positions in these companies. We use this directory of startups to highlight top employees, founders and board members we think deserve more appreciation than they are currently getting.
This list showcases the top United States based CEO’ operating in the Biofuel space. If you think a CEO’ is missing from this list, feel free to contact our editor on [email protected].
The individuals on this list have been included because of exceptional performance in one of the following categories:
- Innovation – Operating as a key part in an extremely innovative business or startup.
- Growth – Operating as a key figure in the growth and upscale of a market leading business or startup.
- Management – Showing exceptional management skills.
- Societal impact – Putting their business on the map for their positive societal or environmental impact.
Our Data – We source our data from OSINT (open source intelligence) and public directories such as Crunchbase, SemRush and many more. The data from these sources should be treated with a degree of caution and verified yourself.

Joseph Hamrock
Founder, President & Chief Executive Officer of NiSource
Joseph Hamrock Founder, President and Chief Executive Officer of NiSource & he attended Massachusetts Institute of Technology.
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About NiSource: NiSource (NYSE: NI) helps energize the lives of its nearly 4 million natural gas and electric customers across seven states.

Randall Stuewe
CEO of Darling Ingredients
Randall Stuewe has served as Darling Ingredient Inc.’s Chairman and Chief Executive Officer since February 2003. He brings the company over 25 years of experience at various agriculture processing businesses. From 1996 to 2002, Randall was Executive Vice President at ConAgra Foods, Inc. More recently he was President of Gilroy Foods. Before ’96, he spent twelve years in management, sales and trading positions at Cargill, Incorporated.
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About Darling Ingredients: Darling Ingredients is global leader in creating sustainable food, feed & fuel solutions from organic by-products.

Virginia Klausmeier
President & CEO of Sylvatex Inc
Virginia founded SVX and has been President and CEO since 2012.
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About Sylvatex Inc: Sylvatex has developed a next generation cathode active material manufacturing process for electric vehicles and energy storage that lowers cost, capital, and carbon footprint.

E. James Macias
President & Chief Executive Officer of Fulcrum Bioenergy
Jim has led energy industry operations for more than 30 years. As Executive Vice President at Calpine Corporation, he steered the nationwide development and construction of power generation plants with a total capacity of over 20,000 megawatts, one of the largest and most successful build-outs in U.S. history. He also restructured 6,500 energy, plant and service contracts to achieve more than $200 million in annual cost savings. Prior to joining Calpine, Jim was a senior operating executive at PG&E, one of the largest investor-owned public utility companies in the nation and the major utility serving Northern California. Jim oversaw operations for a 10,000-megawatt power generation fleet, $4 billion electric and gas transmission systems, and gas and electric procurement for more than four million customers. He received his B.S. in mechanical engineering from California Polytechnic State University, San Luis Obispo, and graduated from the Harvard University Graduate School of Business Program for Management Development.
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About Calpine, Fulcrum Bioenergy, PG&E Corporation: Fulcrum Bioenergy converts household garbage into low-carbon transportation fuels, including jet fuel, diesel, and ethanol.
David Blume
Chief Executive Officer of Blume Distillation
David has over 35 years of experience in the alcohol fuel and regenerative agriculture industries, which has included C-level management and consulting roles. He is an author, speaker, and internationally renowned permaculture and biofuels expert. After studying Ecological Biology and Biosystematics at San Francisco State University, he worked on experimental projects, first for NASA, and then as a member of the Mother Earth News Eco Village alternative building and alternative energy teams. David is author of the critically acclaimed book Alcohol Can be a Gas! He has appeared on National Public Radio’s (NPR) Science Friday with Ira Flatow (2007), has been a commentator on the Huffington Post and has been a guest on nationally syndicated radio programs hosted by Thom Hartmann, Lou Dobbs and George Noory. David has spoken at key agriculture and biofuel industry conferences, and he was the keynote speaker at the OLADE Renewable Energy Conference in Guadalajara, Mexico.
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About Blume Distillation, Whisky Hill Farms: Blume Distillation, a biofuel tech firm, provides alcohol fuel production equipment that converts waste into alcohol fuel.

Lisa Mortenson
CEO & Co-Founder of Community Fuels
Lisa has served as Community Fuels’ CEO since the company was organized in early 2005. She has led all efforts related to the company development and its design, construction and commissioning of one of the largest continuously operating advanced bio-refineries in the Western U.S. Lisa also led Community Fuels’ efforts in securing grant funding from multiple state and federal agencies including the U.S. Department of Energy, the U.S. Environmental Protection Agency, the California Air Resources Board, the California Energy Commission and the California Employment Training Panel. Her diverse business background includes over 20 years experience in sales and marketing, strategic business planning, margin management, and leading multi-disciplinary teams. Lisa has served on the board of directors for multiple businesses engaged in the fields of renewable energy and energy efficiency. She graduated with honors from the University of Arizona with BSBA in Finance and Business Economics and she earned her MBA at San Diego State University.
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About Community Fuels: Community Fuels is an advanced producer of biomass-based diesel fuels.

Wei Yu
CEO of Lyxia China
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About Lyxia China, Lyxia China, Lyxia China: Lyxia China is a biotechnology platform for mass microalgae cultivation.
Kieran Mitchell
CEO of Caribou Biofuels
Kieran Mitchell currently works as the CEO for Caribou Biofuels.
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About Caribou Biofuels: Caribou Biofuels manufactures biofuels for the conversion of biomass into fuels.
Scott H. Pearce
President & CEO of Green Brick Partners
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About : Green Brick Partners is a home building and land development company.
Joshua Heyen
President and CEO of Xylogenics
Josh is one of the inventors of GX-1 and co-founders of Xylogenics. He received his Ph.D. in yeast biochemistry in 2010 after starting Xylogenics. He has extensive ethanol plant trialing experience where he has built a reputation for his integrity and knowledge. Josh also spearheaded the initial commercial development of GX-1, guiding the team to successfully enable independent development and commercialization of Xylogenics technologies.
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About Xylogenics: Redefining fermentation through synthetic biology