Iowa Biodiesel Board
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Board of Directors

Brad Wilson

IBB Chair

Brad Wilson is President and General Manager of Western Iowa Energy, LLC, a biodiesel producer based in Wall Lake, Iowa. An accountant by trade, Wilson spent several years as a financial auditor. He became president and general manager of WIE in 2016. The multi-feedstock plant recently grew from 30 to...

Doug Lenhart

IBB Vice Chair

Doug Lenhart serves as the vice president, procurement & logistics for Renewable Energy Group, Inc. Lenhart serves as a member of REG’s senior management team and contributes to strategic business decisions for the North America and European markets. He oversees purchasing of feedstocks and chemicals, sales of co-products. His prior...

Courtney Lawrenson

IBB Treasurer

Courtney Lawrenson serves as senior director, renewable fuels for Ag Processing Inc. She has worked in the renewable fuels and natural gas industries since 2000. Based in Omaha, Nebraska, Lawrenson oversees biodiesel, solvents, adjuvants and glycerin. Prior to AGP, Courtney worked at Tenaska Commodities/Biofuels handling marketing of feedstock, fuel, co-products...

Reed Herzig

IBB Secretary

Reed Herzig serves as a senior scientist at Bayer. Based in Ankeny, Iowa, he previously served the company (formerly Monsanto) in St. Louis in a variety of positions, including Roundup research, computer validation, and manufacturing. He now works on seeds through support of the company's Breeding and Commercial organizations. With...

Dave Walton

Iowa Soybean Association

Dave Walton is a farmer from Wilton, Iowa. He grows soybeans, corn, alfalfa, grass hay, and raises beef cattle, and sheep. Dave took over the farm from his father, and his oldest son is now joining the operation. His wife Paula, and youngest son Alex have also been an integral...

Thomas Brooks

Western Dubuque Biodiesel

Tom Brooks is general manager of Western Dubuque Biodiesel, a 30 Million gallon production facility located in Farley, Iowa. He is a past chair of the Iowa Biodiesel Board. Brooks was hired by Griffin Industries in 1993 and served as a general manager for several locations within Florida before accepting...

Reo Menning


Reo Menning serves as President & CEO of RINAlliance in Urbandale, Iowa. RINAlliance provides a software platform and expertise to help companies comply with the U.S. Renewable Fuel Standard.

Mark Cobb

Iowa Renewable Energy, LLC

Mark Allan Cobb holds the position of President at Cobb Oil Co., Inc. in Washington, Iowa. He also sits on the board of Iowa Renewable Energy LLC and Petroleum Marketers, Inc. He is past Chair for the Iowa Biodiesel Board.

Pat Woerner


Wayzata, MN

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