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Jim Stray-Gundersen, MD

Jim Stray-Gundersen, MD, has been board certified in general surgery since 1985. Now, Jim primarily focuses his work and research on maximizing human performance, health and resilience. He is a pioneer for the high-low training protocol and is heavily involved in the anti-doping test SAFE. He has worked with numerous Olympians in various sports, including renowned distance runner Alberto Salazar. Jim completed post-doctoral fellowships in cardiovascular physiology and human nutrition, and has served on international medical committees that include the International Olympic Committee, FIFA, International Biathlon Committee, International Ski Federation, and the International Skating Union. Jim is also a sports science advisor for the U.S. Ski and Snowboard Association (USSA), and he runs the SG Performance medicine center and sports technologies for maximal athletic performance, overall fitness, weight loss and recovery in Park City, Utah. Finally, he is the chief medical officer of B STRONG, a Utah-based company he co-founded in an effort to make blood flow restriction training safe, effective and affordable for the general public.

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