Sheriff Barry Announces New Chief Deputy Sheriff


July 16, 2012

Lieutenant Colonel Mark Sites

Fairfax County Sheriff Stan Barry is pleased to announce the promotion of Major Mark Sites to Lieutenant Colonel. Sites takes over as chief deputy sheriff of administration. Areas under his command include human resources, financial services, information technology, policy and planning, community outreach, training, civil enforcement and court security.

"Mark Sites is an effective leader who embodies integrity, passion and openness. I am confident that in his new role as chief deputy he will contribute to our organizational success and continue to earn the respect of our staff and the people we serve." said Sheriff Barry.

Lieutenant Colonel Sites is a 16-year veteran of the Sheriff’s Office and has served in a variety of line and supervisory positions. Sites began his career working in court security. In 1998 he transferred to the Adult Detention Center and remained there until 2007 when he was promoted to the rank of first lieutenant. From 2007 to 2008 he was assigned to the budget office. Promoted to captain in 2008, he served as the chief of confinement. He was assistant commander of the Sheriff’s Emergency Response Team and later became its staff advisor, a position he currently holds. In 2009, he was promoted to major and served as commander of the Court Services Division and, most recently, the Confinement Division.

Sites is a 2012 graduate of the Federal Bureau of Investigations National Academy, Session 248, in Quantico, Virginia. He received his Bachelor’s Degree in Administration of Justice from George Mason University in 1995 and his Master’s Degree in Public Administration from GMU in 1998. Sites was born and raised in Fairfax, Virginia where he currently resides with his wife Sarah and their two sons, 5-year-old Thomas and 2-year-old Jackson.


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