Dr. Lenny Wiersma is a Professor of Sport and Performance Psychology in the Department of Kinesiology at California State University, Fullerton, where he has taught since 2001. He is the Director of the Performance Psychology Lab at CSUF and has conducted research and/or worked with a variety of extreme sport athletes including big-wave surfers, extreme backcountry skiers and snowboarders, ultramarathon runners and cyclists, Crossfit Games athletes, and UFC fighters. He serves on the advisory board of the Nike Sport Research Lab in Beaverton, Oregon, as well as on the advisory board of XPT Extreme Performance TrainingTM. 

Dr. Lenny Wiersma

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