Martial Arts 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

Dr. Chuck J. Rylant has 25 years of industry experience and is a Federal and State Court qualified expert witness in use-of-force, de-escalation, self-defense, strangulation, memory, fight or flight, decision making, and other human performance factors. He has a Doctor of Clinical Psychology–dissertation: Decisions Under Pressure: Psychological and Physiological Aspects of Police Use of Force. Dr. Rylant is a retired police officer/detective, S.W.A.T. member, and P.O.S.T. certified department firearms, baton, chemical agents, use of force, and arrest and control (ARCON) trainer. Dr. Rylant was an instructor at a California police academy for 15 years where he taught arrest and control (ARCON), use-of-force, and de-escalation, and he is also a Certified Force Science Analyst and Advanced Force Science Specialist. Dr. Rylant is a Brazilian Jiu-Jitsu black belt instructor for law enforcement and civilians, as well as author of Shots Fired: The Psychology Behind Officer Involved ...

SAVANNAH, Georgia

Athletics & Recreation, Technology - Gymnastics, Cheerleading, Performance tumbling (theater, parade, dance, martial arts), standard of care, 3D modeling, litigation animation, Foam Pits, Trampoline, climbing walls, zip lines, attenuation devices

A veteran coach in the world of Gymnastics and Cheerleading, CoachWayne has taught private lessons, camps/clinics, and classes in both the United States and Europe. Among his accolades, CoachWayne authored the Amazon.com top-seller (7-video collection) "How to do a Better Back Handspring" and numerous other publications in the field. His "TumblingTips" articles are read by hundreds of thousands of tumbling students and instructors worldwide. He was the Executive Coach and daily Trainer of Olympic Gymnast, Zuzana Sekerova (SVK). He has been a Master Coach and Clinician for more than 100 professional tumbling instructors for cheerleading, dance, and gymnastics through his Tumbling Instructor Skill Certification clinics. He was the Head Coach for the Savannah College of Art and Design Cheerleading team for competitions and games. Having performed as a gymnast, dancer, and cheerleader, CoachWayne continues to share his experience with new generations of students and instructors. AST...

Sandy, Utah

Police Practices & Procedures, Human Factors - Police Uses of Force, Police Practices & Training, Civilian Self-Defense, Biomechanics, Investigations, Memory, Martial Arts, Criminal Gangs, Behavioral Profiling, Crime Analysis, Specialized Interviews, Tactical Operations, Aquatic Crime Scenes & Investigations, Human Factors analysis

As a decorated law enforcement officer with service in both urban and rural municipal agencies and a county sheriff’s department, Bruce Champagne has completed assignments as a field training officer, patrol and investigations supervisor, corrections officer and supervisor, criminal gang investigator, forensic diver, major crimes detective, civilian review board representative, SWAT leader and member, and firearms/defensive tactics instructor. Bruce was a previous president of the Utah Tactical Officers Association, Utah Gang Investigators Association, Utah Forensic Divers Association, and Utah Peace Officers Association. Bruce is a member of the International Law Enforcement Educators and Trainers Association (ILEETA), Academy of Criminal Justice Sciences, International Association of Forensic Criminologists, Association of Force Investigators, Society for Integrity in Force Investigation and Reporting, and National Tactical Officers Association (NTOA), and is a certified instruct...