Dr. William (Bill) Lewinski is the Executive Director, Co-Founder, & Lead Instructor for the Force Science Institute, which brings together experts from a wide variety of academic and research disciplines to study officer behavior in force encounters. Dr. Lewinski has a Ph.D. in Police Psychology. Dr. Lewinski is a behavioral scientist specializing in human performance and incident dynamics related to law enforcement. Dr. Lewinski has led studies in the United States, United Kingdom, and Canada. His research has appeared in a variety of journals and media and been highlighted on 48 Hours Investigates, BBC’s Panorama and the Canadian Discovery Channel. He has served as an international expert witness in over 200 coroner’s inquests, grand juries, criminal and civil cases, and arbitration hearings. He is a professor emeritus from the law enforcement department at Minnesota State University, Mankato.