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 Senior Deputy County Administrator Erin McLellan

    Erin McLellan

    Senior Deputy County Administrator

    Erin McLellan oversees the Loudoun County Combined Fire and Rescue System, the Departments of Economic Development, Finance and Procurement and Housing and Community Development as well as the Office of Emergency Management, the Division of Public Affairs and Communications and the Office of Real Property Asset Management and Planning 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 and the county's FOIA Officer.


  1. Photo of Deputy County Administrator Joe Kroboth

    Joe Kroboth

    Deputy County Administrator

    Joe Kroboth oversees the Departments of Building & Development and Planning and Zoning and the Office of Mapping & Geographic Information. He serves as a liaison to the Office of Elections and Voter Registration.


  1. Photo of Deputy County Administrator Monica Spells

    Monica Spells

    Deputy County Administrator

    Monica Spells oversees the Departments of Animal Services, Community Corrections, Family Services, Health and Mental Health, Substance Abuse and Developmental Services and the Office of Health Information Safeguards and Accountability. She serves as the liaison to the Juvenile Court Service Unit, and Virginia Cooperative Extension - Loudoun.


  1. Photo of Deputy County Administrator Vincent Jones

    Vincent Jones

    Deputy County Administrator

    Vincent Jones oversees the Departments of General Services, Parks, Recreation and Community Services and Transportation and Capital Infrastructure. He also serves as a liaison to the Loudoun County Public Library


  1. Photo of Christopher Quintyne

    Christopher Quintyne

    Assistant County Administrator

    Christopher Quintyne works with other members of the Office of the County Administrator in directing and supervising day-to-day operations, with a focus on supporting the Board of Supervisors’ meeting process and strategic initiatives, special project management, and the county’s Legislative Program. 


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. Photo of Management and Budget Director Megan Bourke

    Megan Bourke

    Office Director

    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 Chief Equity Officer 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 Jonathan 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.


  1. Photo of Jenny Grimmell

    Jennifer Grimmell

    Deputy Clerk to the Board/FOIA Officer

    Jennifer Grimmell is the Deputy Clerk to the Board of Supervisors and is the county's Freedom of Information Act (FOIA) Officer.


  1. Photo of Shalom Black

    Shalom Black

    HIPPA Compliance Officer

    Shalom Black is the county's HIPPA (Health Insurance Portability and Accountability Act) Compliance Officer in the Office of Health Information Safeguards & Accountability.