Jerry founded Hjelle Advisors in 2013 after serving as Vice President of the Monsanto Company for 18 years, responsible for leading the Regulatory Department. He has held senior roles at the International Life Sciences Institute and the Nutrasweet Company, and served as Assistant Professor of Toxicology at the University of Wisconsin - Madison.

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Ph.D., Toxicology, University of Colorado - Boulder, 1982

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M.S., Toxicology, North Dakota State University, 1977

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B.S., Biology, University of Wisconsin - La Crosse, 1975