Mr. Gimble resumed his duties as the Principal Deputy Inspector General on April 30, 2007, after serving since September 10, 2005, as Acting Inspector General.   As Principal Deputy Inspector General, Mr.  Gimble reports directly to DoD Inspector General Gordon S. Heddell.

Prior to his initial appointment as Principal Deputy Inspector General in September 2005, Mr. Gimble was the Deputy Inspector General for Intelligence and served as the principal advisor to the Inspector General on matters relating to DoD-wide intelligence programs and operations.  

Mr. Gimble has also held other senior positions within the DoD Office of Inspector General.  He served as the Acting Deputy Assistant Inspector General for Auditing and was responsible for directing audits regarding logistics, financial management, contracts, readiness, intelligence, information technology, military construction, housing programs, morale, welfare, recreation, and environmental policies.  Additionally, Mr. Gimble served as Director of the Acquisition Management Directorate, and as Director of the Readiness and Operational Support Directorate.  Mr. Gimble began his Federal civilian career with the Air Force Audit Agency at Kelly Air Force Base, Texas, and then joined the Defense Audit Service in 1976.
 
Mr. Gimble served with the U.S. Army as an infantry soldier in Vietnam, where he awarded the Bronze Star, the Purple Heart, and the Combat Infantry Badge. He later attended Lamar University where he received a BBA, and the University of Texas at San Antonio, where he received an MBA.  He is a Certified Public Accountant and Certified Government Financial Manager.

In 2006, Mr. Gimble received the Alexander Hamilton Award, which is the highest honor bestowed by the President’s Council on Integrity and Efficiency, awarded for outstanding achievement in improving the integrity, efficiency or effectiveness of Executive Branch agency operations.  He also received the Presidential Rank Award for Distinguished Executive in 2006.  In addition, he is a recipient of the Secretary of Defense Medal for Exceptional Civilian Service.