Mark Karner

Deputy Chief of Strategic Initiatives
Mark Karner
Mark is Deputy Chief of Strategic Initiatives and supervises the Sheriff’s 911 Center and Records Unit.  

Mark started his law enforcement career in 1989 as a prosecutor in the Winnebago County State’s Attorneys Office.  After serving 16 years as a violent crime prosecutor, he became a federal prosecutor in the the United States Attorneys Office for the Northern District of Illinois where he prosecuted, drug offenses, firearms offenses and white collar crimes.  

Mark was hired by Sheriff Caruana in February 2015.