J. Thomas Manger

J. Thomas Manger
11th Chief of the United States Capitol Police
In office
July 23, 2021 – May 2, 2025
Preceded bySteven Sund
Succeeded bySean Gallagher (acting)
Michael G. Sullivan
Chief of the Montgomery County Police Department
In office
2004–2019
Preceded byWilliam C. O'Toole
Succeeded byMarcus Jones
Chief of the Fairfax County Police Department
In office
1998–2004
Preceded byM. Douglas Scott
Succeeded byDavid M. Rohrer
Personal details
BornJohn Thomas Manger
1954 or 1955 (age 70–71)
Children2
EducationUniversity of Maryland, College Park (BS)

John Thomas Manger is an American former police officer who served as the 11th chief of the United States Capitol Police until his retirement in 2025. He previously served as the chief of the Montgomery County Police Department. Manger was selected to lead the Capitol Police in the aftermath of the January 6 United States Capitol attack. He served in that role for nearly four years, retiring on May 2, 2025.