William K. Lietzau

William K. Lietzau
Official portrait, 2020
Director of the Defense Counterintelligence and Security Agency
In office
March 2020 – October 2023
Deputy Assistant Secretary of Defense for Detainee Policy
In office
February 2010 – August 2013
PresidentBarack Obama
SecretaryRobert Gates
Leon Panetta
Preceded byPhil Carter
Personal details
EducationUnited States Naval Academy (BS)
Yale University (JD)
OccupationMilitary Officer, Attorney
Military service
Allegiance United States
Branch/service United States Marine Corps
Years of service1983-2010
Rank Colonel
UnitJudge Advocate General's Corps
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William K. Lietzau is an American lawyer, former U.S. Marine Corps judge advocate, and former director of the Defense Counterintelligence and Security Agency.