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Tim Hemstreet has served as County Administrator of Loudoun County, Virginia, since December 2009. As the top administrator of one of the fastest-growing counties in the United States, Hemstreet directs and supervises the day-to-day operations of all county departments and agencies under the direct control of the elected Board of Supervisors.
Hemstreet also serves as Clerk of the Board. The Office of the County Administrator provides administrative support to the Board of Supervisors and implements its directives with regard to Board agendas, meetings, resolutions, and constituent services.
Additionally, the county administrator serves as the Board of Supervisors' official liaison to the constitutional officers, the judiciary, and state and regional agencies. The county administrator also serves as the county's chief emergency management official.
Erin McLellan oversees the Loudoun County Combined Fire and Rescue System and the Office of Emergency Management and serves as liaison to the Sheriff's Office. She also has oversight over the county’s legislative program.
Joe Kroboth oversees the Departments of Building & Development, Economic Development, General Services and Planning and Zoning and the Office of Mapping & Geographic Information and serves as a liaison to the Office of Elections and Voter Registration.
Monica Spells oversees the Departments of Animal Services, Community Corrections, Family Services, Health and Mental Health, Substance Abuse and Developmental Services. She serves as the liaison to the Juvenile Court Service Unit, Library Services and the Virginia Cooperative Extension - Loudoun.
Valmarie Turner oversees the Office of Equity and Inclusion, Public Affairs and Communications and the Departments of Finance and Procurement, Housing and Community Development, and Parks, Recreation, and Community Services. She serve as liaison to Visit Loudoun,
Megan Bourke oversees the Management and Budget Division of County Administration.
Carl Rush is the Chief Equity Officer for Loudoun County. He is overseeing the development, design, coordination and implementation of programs, policies and practices aimed at making the county organization and community more equitable.
John Freeman serves as the county's legislative liaison, helping to develop the county's legislative program on the state and federal level.