Secretary of Public Safety and Homeland Security

Sheriff Robert “Bob” Mosier

Secretary of Public Safety and Homeland Security

Sheriff Robert “Bob” Mosier is a native Virginian with a distinguished career as a law enforcement professional. His career spans over 30 years in local, county, Federal Government, domestic, and international law enforcement. He began as a police dispatcher at the age of 19, and at 21 graduated with Top Overall Achievement as a Patrol Officer.

While in Fauquier County, Bob began as a Deputy Sheriff, and throughout his career served as Commander of Special Operations, Patrol Division, and Criminal Investigations Division. Bob developed and implemented community policing programs, managed security for large public events, and distinguished himself by earning numerous Letters of Commendation, two Unit Citation Awards, a Distinguished Service Award, a Community Service Award, and a Valor Award. In 1996, he was selected by the U.S. Department of State to serve in Bosnia and Herzegovina with the International Police Task Force as a Station Commander, where he represented the Fauquier County Sheriff’s Office. Following that assignment, Bob served with the International Justice Mission, a human rights organization, as Director of Investigations working in Asia, Middle and Near East, Africa, and Latin America.

Bob later served as a senior representative for a U.S. Department of Defense law enforcement program in which he provided daily oversight of all administrative, logistical, operational, and training requirements for 300 law enforcement professionals. Following that service, Bob became a GS-15 Deputy Senior Executive Police Advisor for the Iraq Bureau of International Narcotics and Law Enforcement Affairs with the U.S. Department of State, overseeing 150 Senior Police Advisors. Most recently, Bob supported the U.S. Department of Defense as the Senior Associate for Law Enforcement Operations with Obsidian Solutions Group.

Bob Mosier was elected the 60th Sheriff of Fauquier County in November 2015 and took office on January 1, 2016. As Sheriff, he immediately implemented a plan, which paved the way for change, with law enforcement accreditation through the Virginia Law Enforcement Professional Standards Commission. Sheriff Mosier instituted professional change at the Sheriff’s Office, by embracing new technologies for the enforcement of criminal, illegal drug and gang activities, modern traffic safety concepts, enhancement of school safety and better partnerships with the community. Sheriff Mosier was appointed by the governor to the Criminal Justice Services Board in 2021 and to the Substance Abuse Services Council in 2020.

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