Douglas Fremont was assigned as Acting Deputy Associate Administrator for Defense Nuclear Security at the National Nuclear Security Administration (NNSA) on 4 August 2008.  Previously he had been assigned as Deputy Director of the Office of Emergency Response since October 2005.  Prior to entering Federal Service he served on active duty as the Executive Staff Director for the Administrator of the NNSA.

Mr. Fremont has nearly three decades of experience in national security, much of it associated with submarines and nuclear weapons.  His extensive submarine experience includes service on the USS THOMAS JEFFERSON (SSN 618) as a Division Officer, on USS PARGO (SSN 650) as Engineer Officer, on USS PENNSYLVANIA (SSBN 735) (GOLD) as Executive Officer and as Commanding Officer of USS WEST VIRGINIA (SSBN 735) (GOLD).

His shore assignments included service at the Bureau of Naval Personnel as the Submarine Enlisted Community Manager and Assistant Branch Head for Submarine Enlisted and Nuclear Power Assignments (PERS-403B), as Deputy Commander, Submarine Squadron Twenty, and as Deputy Chief of Staff, Submarine Group Ten.

Mr. Fremont holds degrees from the United States Naval Academy and the United States National War College.  He is married to the former Rebecca (Becky) Mayhall of Birmingham, Alabama.  They have three children and reside in Bristow, Virginia.