Jiu Jitsu Expert Witnesses

Arroyo Grande, California

Police Practices & Procedures, Law Enf & Criminal Justice - use of force, police use of force, law enforcement use of force, self defense, arrest and control, police excessive force, excessive force, defensive tactics, martial arts, strangulation, choke hold, jiu jitsu, fight or flight, stress response, officer involved shooting, police shooting, OIS, taser, Security

Dr. Chuck J. Rylant is a Doctor of Psychology and a Federal and State Court qualified expert witness with over 27 years of professional experience in civilian self-defense and law enforcement use-of-force analysis. He has been retained in more than 260 cases and has provided testimony in jurisdictions across the United States, including Alabama, Alaska, Arizona, California, Connecticut, Florida, Minnesota, Nevada, New Hampshire, New Mexico, North Dakota, Ohio, Texas, Utah, and Washington, D.C. Dr. Rylant's work focuses on the act of force itself — whether by a civilian or a law enforcement officer — encompassing the tactical, behavioral, and scientific factors that bear on it. His areas of engagement include civilian self-defense, police use-of-force, tactics, training, de-escalation, and strangulation, including carotid restraint and vascular neck restraint techniques. His expertise draws on peer-reviewed behavioral and performance science — including, among other areas, memory,...

Lake Forest, California

Athletics & Recreation - Gym & Fitness, Combat sports, Strength and conditioning, wrestling, jiu jitsu, coaching qualifications, return to play, youth athlete, exercise related injuries, injury mechanism, training supervision, facility standard of care

Dr. Khan offers a rare dual perspective in fitness industry litigation: a board-certified orthopaedic surgeon who also owns and operates two combat sports and fitness facilities in Southern California. He can address both sides of a gym injury case — the medical questions of causation, mechanism, and impairment, and the operational questions of industry standard of care, member supervision, coaching qualifications, equipment safety, and facility policies. Dr. Khan actively coaches youth jiu-jitsu and wrestling and adult strength and conditioning classes, is an NASM-certified MMA Conditioning Specialist, and is a published author on combat sports conditioning and injury prevention. As a Qualified Medical Evaluator with formal expert witness training, he provides objective, evidence-based opinions, thorough record review, and clear, defensible reporting for plaintiff and defense counsel alike.