Col. David M. Shanahan
Chief of Staff
U.S. Army, Pacific (USARPAC)

     Col. David M. Shanahan assumed the duties of Chief of Staff, U.S. Army, Pacific in July 2001.  He was commissioned as an Infantry officer in 1976 upon graduation from the U.S. Military Academy with a Bachelor of Science Degree.  Upon completion of branch training, he was assigned to the 1st Battalion 35th Infantry (Cacti) in the 25th Infantry Division, Schofield Barracks, Hawaii.  During this tour of duty, he served as Rifle Platoon Leader, Support Platoon Leader, and Battalion S-1.  He completed the Infantry advanced course in 1981 and received an assignment to the 7th Infantry Division, Fort Ord, California where he served as Battalion S-4 and Company Commander in the 1st Battalion, 32nd Infantry; Brigade S-1 for the 2nd Brigade; and Battalion S-3 for the 3rd Battalion, 32nd Infantry.  In 1986 he was assigned as a Company Tactical Officer, and later Regimental Executive Officer at the U.S. Military Academy. 

     Upon completion of Command and General Staff College at Fort Leavenworth in 1990 he was assigned as a Strategy and Plans Officer for Deputy Chief of Staff Operations, U.S. Army Pacific, Fort Shafter, Hawaii.  In 1991 he was again assigned to Schofield Barracks, Hawaii, where he served as Executive Officer for the 4th Battalion, 87th Infantry, 25th Infantry Division, deploying with the unit to Sinai, Egypt for service in the Multinational Force and Observers.  From 1992 to 1994 he commanded 1st Battalion, 21st Infantry (Gimlets), 3rd Brigade, 25th Infantry Division.  In 1994 the Army selected Col. Shanahan for a U.S. Army War College Fellowship at the Center for Strategic and International Studies (CSIS) in Washington D.C. 

     In 1995, Col. Shanahan received assignment to the U.S. Army’s Louisiana Maneuvers Task Force.  He subsequently went to the Joint Staff in the Pentagon where he served in the Directorate for Force Structure Resources and Assessment (J-8) as a CINC Liaison and later as the Division Chief, Support Agency Reengineering and Assessment Division.  In September 1998, Col. Shanahan assumed command of NATO’s Allied Land Forces Central Europe (LANDCENT) Support Group in Heidelberg, Germany.  While serving in this position, he also commanded a multinational force of 2,000 Soldiers and Civilians in KFOR (Kosovo).  He left LANDCENT in 2001 where he assumed duties as Chief of Staff, USARPAC, serving until August 2004.

     In December 2004, Col. Shanahan joined the Asia Pacific Center for Security Studies (APCSS), Honolulu, Hawaii, where he served as Transnational Studies Department Chairman and Acting Deputy Director.  Upon his retirement from the Army in April 2006, Col. Shanahan assumed duties as Deputy Dean for APCSS.   

     Col. Shanahan has a Masters of Arts Degree in International Relations from the Naval Postgraduate School.  His awards and decorations include the Defense Superior Service Medal (2), Legion of Merit (2), Meritorious service Medal (3), Joint Staff Badge, Ranger Tab, Parachutist Badge, Air Assault Badge, and the Expert Infantryman’s Badge. 


USARPAC postures and prepares the force for unified land operations, responds to threats, sustains and protects the force, and builds military relationships that develop partner defense capacity in order to contribute to a stable and secure U.S. Pacific Command area of responsibility.


General Vincent K. Brooks Commanding General

Vincent K. Brooks

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