Dr. Duane Linville is a certified Doctor of Chiropractic and has been practicing as a Sports Medicine Chiropractor since 1984. From 1973-1977, Dr. Linville served as an F-4 Phantom II Fighter Jet Pilot in the United States Air Force. Dr. Linville has a B.A. in Psychology from the University of Iowa and a Doctorate in Chiropractic from Palmer College of Chiropractic - West. Dr. Linville is also an expert on sports nutrition and athletic performance supplements.

Dr. Linville is an avid martial arts grappling enthusiast and has been competitively grappling for over 37 years. He wrestled for the University of Iowa Hawkeyes from 1968-1972, then went on to earn a Black Belt in Judo and qualified for the National Judo Tournament. In 1993, Dr. Linville became a student of Rickson Gracie Jiu Jitsu and has been training on the Rickson Gracie Jiu Jitsu Competition team ever since. Dr. Linville's vast athletic experience coupled with his anatomical and kinesiology knowledge makes him a valuable asset to the STS team.