Brigadier General Colleen L. McGuire is a retired officer of the United States Army.

McGuire was also the first woman to be commandant of the United States Disciplinary Barracks, Fort Leavenworth, Kansas.

[2] McGuire was a member of the 279th Engineer Company at Fort Missoula through the ROTC Simultaneous Membership Program.

[6] McGuire was commissioned as an officer in the United States Army Military Police Corps in 1979 upon graduation from the University of Montana.

[6] When the United States Disciplinary Barracks at Fort Leavenworth were re-opened in 2002, McGuire became the first woman in charge of the prison.

[8][9] She went on to work as the assistant commandant of the United States Army Military Police School.

[3] The next year, she started working for Secretary of Defense, Chuck Hagel to help him study sexual assault in the army.