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United StatesThunder Seed

Meet our U.S. District Sales Managers

By August 22, 2014No Comments

thunder-seed-jeff-bates-district-sales-managerJeff Bates is Thunder Seed’s chief production officer and key accounts manager. He is responsible for communicating with current customers while seeking out new opportunities, and he handles all corn production issues, inventory and packaging. Jeff has been in the seed industry for 25 years, including 14 as an agronomy locations manager. He also has served on township boards for the past 14 years. Jeff earned his degree in agribusiness, sales and service from North Dakota State College of Science in Wahpeton, N.D. He lives in Hawley, Minn. with his wife and three children.
Central DSM | 218-790-4635 | [email protected]



As our district sales manager/agronomist, Erick Grafstrom brings 13 years of experience to building and cultivating our dealer relationships. Prior to joining Thunder Seed, he gained experience as a soybean and corn district sales manager, crop advisor and field/sales agronomist. He also was a research technician in North Dakota State University’s Crop and Weed Science Department. He earned his bachelors degree in agronomy from NDSU. Erick resides in Moorhead, Minn. with his wife and two daughters.
DSM / Agronomist | 701-799-0356 | [email protected] 


thunder-seed-derek-haug-district-sales-managerAs one of our district sales managers, Derek Haug is responsible for educating growers and dealers on Thunder Seed products and ensuring dealers are able to successfully sell our varieties. Derek graduated from North Dakota State University with a degree in agricultural economics and has three years of experience in the industry. He and his wife live in Ulen, Minn., and he enjoys hunting and working outdoors.
Southern DSM | 320-492-5176 | [email protected] 



Tom Wiesmann brings an impressive 25 years of industry experience into his role as a district sales manager. His previous experience includes territory sales management for an agriculture equipment and parts company and a position in retail seed, chemical and fertilizer sales. Weismann earned a degree in agriculture soils and fertilizer technology from the University of Minnesota, Crookston. He lives in Moorhead, Minn. with his wife and two sons.
Northern DSM | 701-866-6213 | [email protected]