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Police - Office of the Chief

Chief Thomas Manger

J. Thomas Manger
Chief of Police

Chief J. Thomas Manger has been the Chief of Police in Montgomery County, Maryland, since February 2004.  He began his law enforcement career in 1977 with the Fairfax County (Virginia) Police Department.  He rose through the ranks to become Chief of Police in 1998.  During his tenure in Fairfax County, Chief Manger received numerous awards including the Silver Medal of Valor.  Chief Manger is credited with reorganizing and expanding the Police Department’s Community Policing efforts.  His commitment to the highest ethical standards for policing and his enactment of new policies to increase departmental accountability earned significant recognition from the community, including the Fairfax County Human Rights Commission Award for outstanding contributions, and the N.A.A.C.P.’s Community Service Leadership Award.  In 2012, Chief Manger was inducted into the Montgomery County Human Rights Hall of Fame.

Chief Manger is a graduate of the F.B.I. National Academy, the National Executive Institute, the Police Executive Leadership School at the University of Richmond, and the Senior Executive Institute at the University of Virginia, and he has also completed Harvard University’s John F. Kennedy School’s Program for State and Local government.

Contact Chief Manger:

By e-mail:

By mail:
Chief Manger
Montgomery County Police Department
100 Edison Park Drive, 3rd floor
Gaithersburg, MD 20878



Montgomery County Department of Police · J. Thomas Manger, Chief
Public Safety Headquarters
100 Edison Park Drive · Gaithersburg, MD 20878
Non-emergency: 301.279.8000
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