Mark Doyle

Mark Doyle has extensive law enforcement experience, currently serving as a Criminal Investigator and Field Deputy at the Campbell County Sheriff's Office since December 2022. Prior to this role, Mark held multiple positions at Liberty University from May 2013 to November 2022, including Lieutenant of the Operations Division and Professional Standards, as well as Police Sergeant in various capacities. Mark's career in law enforcement began in the United States Marine Corps, where retirement came as a Master Gunnery Sergeant in May 2013, also serving as Provost Sergeant. A brief tenure as a DEA Fellow occurred in 2009. Mark holds a Bachelor of Science degree in Social Sciences with a concentration in Government from Campbell University and has furthered education through the FBI Law Enforcement Executive Development Association and the FBI National Academy.