Lt. Brad Dewall


Lt. Brad Dewall
Chief Deputy Coroner

Lieutenant Brad DeWall began his career with the Sheriff’s Office as a correctional officer in 1991. In January 1995, he promoted to deputy sheriff and attended the Napa Valley Police Academy, Class 27. Brad worked a variety of assignments as a deputy sheriff including patrol, court security and criminal investigations. He worked as a Field Training Officer (FTO) for several years and was a Firearms and Taser instructor.  Brad completed extensive investigative course work at the Robert Presley Institute of Criminal Investigation (ICI) in the specialized area of Homicide and Sexual Assault.

Brad was promoted to Sergeant in May of 2006 by Sheriff Gary R. Stanton. He transitioned to the Patrol Bureau and additionally supervised the K-9 Unit. In 2007, Brad was selected as the Detective Sergeant of the Investigations Bureau and became a member of the Sheriff’s Office Use of Force review committee.

In December of 2010, he was promoted to Lieutenant and assigned to the Investigation Services Bureau where he was responsible for the Criminal Investigations, California Multi-jurisdictional Methamphetamine Enforcement Team (Cal-MMET), Auto-Theft Task Force, Sheriff’s Enforcement Team (SET) and Marine Patrol Bureaus. He also managed the Firearms, Defensive Tactics, Taser, and Technology Teams.

In November of 2012, Brad became the Chief Deputy Coroner and the Public Affairs Officer for the Sheriff’s Office. He also serves as the commander of the Sheriff’s Special Weapons and Tactic’s (SWAT) Team and Hostage Negotiation Team (HNT).

Brad has an Associate Degree in Criminal Justice from Napa Valley College. He holds numerous professional certificates from the California Commission on Peace Officer Standards in Training (POST). He is a graduate of the FBI National Academy, 249th Session. Brad is also a veteran of the U.S. Navy.