Minnesota 4R Nutrient Stewardship
Council Directors
2026 Council Members
Chair: Adam Herges, The Mosaic Company
Vice-Chair: Rick Walker, Nutrien Ag Solutions
Treasurer: Peter Mead, The Nature Conservancy
Dan Kaiser, University of Minnesota
Warren Formo, Minnesota Agriculture Water Resource Center
Hannah Ammann, NuWay-K&H Cooperative
Heather Donoho, Pine SWCD
Gary Prescher, MN Corn Growers
Amy Robak, Centra Sota Coop
Margaret Wagner, Minnesota Department of Agriculture
Ex-Officio: Lee Helgen, Minnesota Crop Production Retailers
Ex-Officio: Andy Oeding, Nutrien Ag Solutions
Ex-Officio: Leif Fixen, The Nature Conservancy

