https://www.espn.com/college-sports/...on-step-dec-31

Mountain West Conference commissioner Craig Thompson, the longest tenured active FBS commissioner, will step down on Dec. 31 after leading the league for nearly 24 years, he announced on Wednesday.

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Prior to his current role, Thompson served as the commissioner of the Sun Belt for nearly eight years and as the only commissioner of the American South Conference prior to the merger of those two leagues in 1991.