Gary Trennepohl became the first president of Oklahoma State University-Tulsa in 1999. Previously, he served as dean of the College of Business Administration at the OSU campus in Stillwater and held faculty and administrative appointments at Texas A&M University, the University of Missouri and Arizona State University. He has co-authored two college finance texts; contributed chapters for three editions of Options: Essential Concepts and Trading Strategies and The Encyclopedia of Investments; and authored or co-authored more than 30 professional journal articles.
He is active in many academic associations and served as president of the Financial Management Association International in 1994. Trennepohl also has served as a consultant to pension funds, corporations and college endowment funds and is a visiting faculty member for the Options Institute at the Chicago Board Options Exchange, presenting periodic seminars on futures and options strategies to institutional investment managers.
Since 1983, he also has conducted yearly seminars about financial analysis for journalists.