Paul Cook retired from the San Bernardino County Sheriff Department as a Deputy Chief in February 2013. After graduating from the San Bernardino Sheriff Academy in 1980, he served three and a half years as an officer with the Rialto Police Department. He joined the San Bernardino Sheriff Department in 1983. Throughout his 33-year career, his various assignments included Corrections, Patrol Officer, Detective, Watch Commander at the Sheriff Communication Center, and Sergeant in corrections and patrol. He also served as Commander of the Internal Affairs Division, and Commander of the Central Patrol Station which includes acting as the Chief of Police for the cities of Grand Terrace and Loma Linda. Chief Cook was also one of the longest serving Commanders of the Sheriff Narcotics and SWAT Division. As a Deputy Chief, his respective assignments were Court Services Bureau, Valley and Desert Patrol Bureaus and the Specialized Operations Bureau which included Aviation, SWAT, Narcotics, Homicide, Intelligence and the Volunteer Services Division. Chief Cook is a veteran of the United States Naval Reserve. He is a graduate of the FBI National Academy, DEA Commanders Academy and the University of California Riverside Executive Management Program. He has served as an instructor in the areas of Gangs, Narcotics, Police Discipline Process and Leadership.