Administration | Tehama County Sheriff's Office


Asst. Sheriff Phil Johnston | Administration | Tehama County Sheriff's Office

Assistant Sheriff Phil Johnston

Assistant Sheriff Phil Johnston began his law enforcement career in 1979. He came to the Tehama County Sheriff’s Office in 1990, and has held the rank of deputy, detective, and sergeant. In January of 2011 he was appointed to his current position as assistant sheriff.

Assistant Sheriff Johnston assists Sheriff Hencratt in the everyday running of the sheriff’s office.

“During my law enforcement career, I have worked for six different sheriffs; and I must say, Sheriff Hencratt is the most dedicated sheriff I have ever seen. He is a people’s Sheriff; a family man; and is willing to address issues in order to make our community a better place to live.” ~ Assistant Sheriff Johnston


Asst. Sheriff Phil Johnston | Administration | Tehama County Sheriff's Office

Lieutenant Derek Sherrill

Lieutenant Derek Sherrill began his career in law enforcement in 2001 with an enlistment in the Air Force as a member of a Security Forces squadron. Lieutenant Sherrill underwent three separate deployments to the Middle East during operation Enduring Freedom and Iraqi Freedom; He received an honorable discharge in 2005.

Lieutenant Sherrill has been employed with the Tehama County Sheriff’s Office since 2008. He started as a correctional officer in the jail and quickly promoted to Deputy Sheriff, with a transfer to the operations division in 2009. Lieutenant Sherrill has been assigned a variety of duties which include: Patrol, S.W.A.T, Field Training Officer, Investigator, Dive Team and Range Instructor.

In 2018, Lieutenant Sherrill was promoted to Patrol Sergeant and was selected to be an Assistant Team Leader for the Tehama Interagency S.W.A.T. Team, which he has been a member of since 2009.

Lieutenant Sherrill achieved the rank of Lieutenant in 2019 and is currently assigned to the Administrative Division.

During his free time, Lieutenant Sherrill enjoys traveling, boating, fishing, and power sports.