- James Baker, Ph.D., Iowa State University (retired)
- Dean Lemke, Iowa Department of Agriculture and Land Stewardship
- Dennis McKenna, Illinois Department of Agriculture
- John Sawyer, Ph.D., Iowa State University
- Dan Jaynes, Ph.D., National Soil Tilth Lab, ARS-USDA
- Gyles Randall, Ph.D., University of Minnesota
- Mark David, Ph.D., University of Illinois
- George Czapar, Ph.D., University of Illinois
- Larry Bundy, Ph.D., University of Wisconsin
- Tom Hunt, Ph.D., University of Wisconsin
- Newell Kitchen, Ph.D., ARS USDA, University of Missouri
- Eileen Kladivko, Ph.D., Purdue University
- Brent Pringnitz, Iowa State University
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