Colonel Garrett served 28 years on active duty, holding command at every level from rifle platoon to infantry regiment, and served as a division chief of staff. He was a member of the Commandant’s Staff Group under General Charles C. Krulak and served under Vice Admiral Art Cebrowski in the Office of Force Transformation. Commissioned through the NROTC program at University of California, Berkeley, he is a distinguished graduate of the U.S. Naval War College, and holds a masters in national security and strategic studies.