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Sheriff Jeff Dirkse was born in Southern California and raised in Denair.  He graduated from Turlock High School in 1990 and the United States Military Academy at West Point, NY, in 1994, with a Bachelor’s of Science degree.  He subsequently served in the US Army as an Infantry Platoon Leader, Ranger Platoon Leader, Infantry Company Commander and most recently was a Watch Officer at Special Operations Command, Europe.
 
Sheriff Dirkse began his career in Law Enforcement in 2007 with the Stanislaus County Sheriff’s Department.  He served on Patrol and as a detective in STING (Special Team Investigating Narcotics and Gangs) and Rural Crime.  He promoted to Sergeant in 2013 and served on Patrol and in Internal Affairs.  In 2015 he promoted to Lieutenant and was appointed as the Chief of Patterson Police Services.  He manages the Explorer program and was a founding member of the Sheriff Department’s Mobile Field Force, which assists other agencies during disasters and search and rescue missions.
 
Jeff Dirkse was sworn into the office as Sheriff-Coroner on January 7, 2019.