About the Office

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.

County Administration Senior Staff

  1. Photo of Assistant County Administrator Erin McLellan

    Erin McLellan

    Deputy County Administrator

    Erin McLellan oversees the Loudoun County Combined Fire and Rescue System, the Department of Housing and Community Development, the Office of Emergency Management and the Division of Public Affairs and Communications and serves as liaison to the county's Constitutional Offices - the Clerk of the Circuit Court, Commissioner of the Revenue, Commonwealth's Attorney, Sheriff's Office and the Treasurer's Office —  and has responsibility for judicial functions, including those of the General District Court, the Circuit Court and the Juvenile Domestic Relations Court.  She also has oversight over the county’s legislative program.

  1. Photo of Joe Kroboth

    Joe Kroboth

    Assistant County Administrator

  1. Photo of Monica Spells

    Monica Spells

    Assistant County Administrator

Division Heads

  1. Photo of Public Affairs and Communications Officer Glen Barbour

    Glen Barbour

    Public Affairs and Communications Officer
    Glen Barbour oversees the Public Affairs and Communications Division of County Administration.

  1. Bourke_Megan

    Megan Bourke


    Megan Bourke oversees the Management and Budget Division of County Administration.

  1. Photo of Emergency Management Coordinator Kevin Johnson

    Kevin Johnson

    Coordinator of Emergency Management
    Kevin Johnson oversees the Office of Emergency Management within the Office of the County Administrator.

  1. Photo of Carl Rush

    Carl Rush

    Chief Equity Officer

    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.

  1. Photo of John Freeman

    John Freeman

    Legislative Liaison

    John Freeman serves as the county's legislative liaison, helping to develop the county's legislative program on the state and federal level.