Agronomist/Plant Pathologist-Whole Seed Farm, R.D. Offutt Farms-Atkinson, Nebraska 2019-2023;
Microbiologist-Fargo, North Dakota-North Dakota State University, Department of Plant Pathology, 2013-2019 and USDA-ARS Sunflower and Plant Biology Unit 2013-2016;
Agronomist-Agro Engineering-Monte Vista, Colorado 1995-2009;
Hillside Agriculture Volunteer, Peace Corps-Honduras and El Salvador 1991-1994;
Research Analyst-Clement Associates-Fairfax, Virginia 1998-1991