Gregory Thompson serves as Associate Judge of the Intertribal Court of Southern California. Judge Thompson's extensive experience includes directing one of the nation's largest law practices, leading a full-service crime laboratory, and serving as an adjunct instructor in criminal justice. He has written legislation and testified numerous times before the California legislature. Widely published in professional journals, he appears as host and narrator in the film Threat Assessment and Management: A New Way of Thinking, which advocates a multi-disciplinary approach to workplace and family violence. In 2015 Mr. Thompson retired from his post as Senior Policy Advisor with the San Diego Sheriff's Department, where he was responsible for the
development of strategies to reduce and suppress crime in a service area of over 4,200 square miles extending to a 60-mile international border. He served as the sheriff's liaison to San Diego County's eighteen federally recognized tribal governments.
Previously, Mr. Thompson served as San Diego County's Director of Forensic Services, where he directed a full-service crime laboratory and crime scene investigations. Among his initiatives was creation of a Cold Case Forensic Team to investigate unsolved homicides. Before joining the Sheriff's Department, Mr. Thompson was a highly successful criminal prosecutor. He is the only Californian to have served at the highest appointed position in three urban District Attorneys' offices: Sacramento, Los Angeles, and San Diego. From 1986 through 1992 he served as Chief Deputy of the LADA's Office, the world's largest local prosecution agency. His staff included 900 attorneys and over 3,000 employees. From that position he developed strategies against gang violence and street drug trafficking and for early intervention in juvenile crime. During the riots in the spring of 1992, he led the District Attorney's Task Force on Civil Disorder.
Mr. Thompson received his Juris Doctorate degree from University of Pacific's McGeorge School of Law and his Bachelor of Arts degree from Biola College. A lecturer at San Diego State University, he taught courses in criminal justice and forensic science and created the text Contemporary Readings in Crime Control Policy. Mr. Thompson serves as a member of the Board of Directors of the Community Youth Athletic Center, a youth boxing club in San Diego's South Bay area that serves at-risk kids the region.