Sheriff Bryan "Jay" Koon was sworn in as the 39th sheriff of Lexington County April 24, 2015. Sheriff Koon began his law enforcement career as a reserve police officer for the University of South Carolina’s Division of Law Enforcement and Safety in August 1993. In 1994, Koon began a 20-year career with the Town of Lexington Police Department where he served stints as a detective, patrol sergeant, watch commander, special operations lieutenant and, most recently, assistant chief of police. Koon is also a 2008 graduate of the FBI National Academy (Session 235). He also graduated from the 40th session of the FBI’s National Executive Institute.
Koon was asked to join the transitional leadership team for the Lexington County Sheriff's Department by then Sheriff A. Lewis McCarty in June 2014.
Sheriff Koon is a 1990 graduate of Lexington High School, and a 1994 graduate of the University of South Carolina where he earned a Bachelor of Science in Criminal Justice. Koon is also a Leadership Lexington County graduate as well as an Eagle Scout.
Sheriff Koon and his family are active members of the community. Koon has volunteered as a coach and leader of several youth baseball programs and scout groups. Koon also serves on the Lexington Technology Center's Advisory Board and is an active member of the South Carolina Law Enforcement Officers’ Association, the Lexington County Law Enforcement Officers’ Association, the International Association of Chiefs of Police, the National Sheriffs’ Association, the Rotary Club of Lexington, the National Rifle Association and the South Carolina Sheriffs’ Association, in which he serves District II as a representative. Koon is also past president of the FBI National Academy Associates Chapter for South Carolina. He currently serves as a Sheriff’s representative on the Public Safety Coordinating Council.
The South Carolina Law Enforcement Torch Run for Special Olympics South Carolina presented Sheriff Koon with its 2017 Chief LaMunyon Leadership Award.
Sheriff Koon and his family are members of Saxe-Gotha Presbyterian Church. Koon resides in Lexington with his wife Kim, a middle school teacher, and their two children.