Mark Johnston has a diverse background in government affairs, business development, and public policy. From serving as a State Senator in the South Dakota Legislature to working in various roles for U.S. Senator Mike Rounds, Mark has held positions of increasing responsibility throughout their career. With a degree in Business Administration from Northwest Missouri State University, Mark also has experience in the healthcare industry and has proudly retired after nearly 27 years in the Iowa and South Dakota National Guard.
January, 2022 - present
President & Chief Operating Officer at RSI Enterprises
President - Chief Operating And Financial Officer at Townsend
VP, Chief Strategy Officer & Chief of Staff to the President at Grand Valley State University
Chief Business Officer at Commonwealth Joe
EVP, Chief Operating Officer at athenahealth
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