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 Sergeant working as a main office patrol supervisor, Windsor Police Department supervisor, and Bomb Squad supervisor. Mark promoted to Lieutenant in 2014. Working as Patrol Watch Commander, he managed a variety of specialized units including the 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.

Sheriff Mark Essick

Sheriff Mark Essick

In 2016 Mark promoted to Captain and has served in both Field Services and Administrative Divisions where he managed the Patrol Bureau, Dispatch Bureau, Court Security/Transportation Bureau, and the contracts for the Town of Windsor and City of Sonoma, Personnel, Records, Community Outreach, Information Technology, Radio, Professional Standards, and Investigations/Coroner Bureaus. 

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).

 Mark and his wife Andi have two children and enjoy camping, hiking, cycling, and spending time with family and friends.