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Ron Martinelli, Ph.D., is a former police officer and detective with over 22 years of street experience primarily with the San Jose (Calif.) Police Department. Dr. Martinelli, is a former director of a POST academy and a multi-certified use of force instructor who is also a forensic criminologist and a federal and state qualified police practices expert specializing in officer-involved shootings and major uses of force. He is NCCM Board Certified in Forensic Trauma, holds diplomate status in the Academy of Experts in Traumatic Stress, is a Certified Force Analyst with the Force Science Center® and is a recognized member of the American College of Forensic Experts Institute. Dr. Martinelli is nationally recognized as a subject matter expert in psychophysiology and officer stress-induced responses.