Sheriff Mark Essick is a lifelong resident of the North Bay.  He began his career with the Sonoma County Sheriff’s Office in 1994.  Starting in the Detention Division as a Correctional Deputy, he later joined the Law Enforcement Division in 1996 as a Deputy Sheriff where he worked a variety of assignments including main office patrol, Roseland substation, the contract Town of Windsor, Field Training Officer, and Property Crimes Detective.

 In 2007, Mark promoted to the rank of Sergeant.  As a Sergeant, Mark worked at the Main Office, the Windsor Police Department, and in the Bomb Squad.

In 2014, Mark promoted to the rank of Lieutenant.  As a Lieutenant, Mark worked as a Watch Commander where he managed a variety of specialized units including the

Sheriff Mark Essick

Sheriff Mark Essick

Helicopter Unit, the Bomb Squad, and the Marine Unit.  In 2015, Mark moved to the Administrative Division managing the Sheriff’s Office Personnel and Internal Affairs units.

In 2016, Mark promoted to the rank of Captain and commanded the Field Services Division including the police service contracts for the Town of Windsor and the City of Sonoma.  In 2017, Mark moved to the Administrative Division where he commanded Professional Standards, Investigations/Coroner Bureaus, Personnel, and Community Outreach. 

Mark was elected Sheriff/Coroner in June of 2018 and was sworn in as Sonoma County’s 34th Sheriff on January 7, 2019.

 Mark is a member of the California State Sheriff’s Association and the Sonoma County Alliance.  He is an active member of the community, volunteering his time and mentoring young people interested in public safety careers.

 Mark has a Bachelor’s Degree in Criminal Justice from California State University, Sacramento and a Master’s Degree in Business from Golden Gate University, San Francisco.  Mark was awarded Advanced, Supervisory, and Management Certificates from the California Commission on Peace Officers Standards and Training (POST) and is a graduate of the Sherman Block Leadership Institute.

 Mark is a proud member of the Sonoma County Farm Bureau and serves on the Board of Directors for the Boys and Girls Clubs of Sonoma County. He and his wife Andi have two children and enjoy camping, hiking, cycling, and spending time with family and friends.