Sheriff Rob Giordano started his law enforcement career with the Pittsburg Police Department in 1989. In 1996 he was employed as a Deputy Sheriff with the Sonoma County Sheriff's Office working out of the Main Office, Roseland substation and Sonoma Valley substation. He worked 4 years as a domestic violence/sexual assault detective before being promoted to Sergeant in 2003. As a sergeant, Rob worked as a Main Office patrol supervisor, City of Sonoma supervisor, Domestic Violence/Sexual Assault Unit supervisor and Violent Crimes Unit supervisor.

In 2006 Rob was promoted to Lieutenant and in that role managed the Investigations Bureau, Internal Affairs Bureau, and later the Personnel Bureau. He was promoted to Captain in 2012 and put in charge of the Field Services Section. In 2014 Rob was promoted to Assistant Sheriff, where he oversees the large and diverse Law Enforcement Division.  On August 1, 2017 Rob was promoted to Interim Sheriff when former Sheriff Steve Freitas retired for health reasons.  On August 22, 2017, the Board of Supervisors appointed Rob as Sheriff until the former Sheriff's term expires on January 7, 2019.

Interim Sheriff Rob Giordano