Major General Osterman is a native of Edgewater,
Maryland. He received his commission as a Second Lieutenant of Marines through
the Naval Reserve Officers Training Corps program at the University of
Colorado, Boulder, where he earned a BA in Biology.
Upon completion of The Basic School and the Infantry
Officers Course in 1982/83, Lieutenant Osterman served as a rifle platoon
commander and 81mm mortar platoon commander with 1st Battalion, 7th Marines.
He subsequently served on sea duty as the Executive
Officer of the Marine Detachment aboard the USS Kennedy (CV-67) from 1985-1986
and as Commanding Officer of the Marine Detachment aboard the USS Forrestal
(CV-59) from 1986-1988.
Returning to Quantico, he was assigned as an instructor
at The Basic School and then at the Infantry Officers Course from 1988-1991. He
attended the Amphibious Warfare School as a student from 1991-1992.
Captain Osterman was then transferred to 1st
Battalion, 2nd Marines where he served as C Company Commander and Battalion
Operations Officer until 1995. During this tour he participated in Operations
RESTORE HOPE and CONTINUE HOPE in Somalia and Operation SEA SIGNAL in
Guantanamo Bay, Cuba as part of humanitarian relief operations.
Transferring to the Naval War College, Newport,
Rhode Island as a student, Major Osterman graduated in 1996. He was
subsequently assigned to 1st Marine Corps Recruiting District, where he served
as the Commanding Officer of Recruiting Station Albany, New York from 1996-1999.
Following this tour, he was assigned as a student at the Army War College,
Carlisle, Pennsylvania, where he graduated in 2000.
Lieutenant Colonel Osterman assumed command of 1st
Battalion, 3d Marines in June 2000. The battalion deployed to Okinawa and participated
in operations in support of Operation ENDURING FREEDOM. He relinquished command
This was followed by his assignment to a joint tour
as an instructor and as the Chief of Staff, NATO School, Oberammergau, Germany
where he was responsible for training support to over 54 nations.
Colonel Osterman assumed command of 25th Marine
Regiment in 2004. He deployed to Iraq with most of his Regimental staff from
April 2005 to March 2006 as advisors to the Iraqi Army in support of Operation
IRAQI FREEDOM. Upon relinquishing command in June 2006, Colonel Osterman
transferred to Quantico, Virginia and assumed duties as the Director of the
Expeditionary Warfare School. Following this, he was assigned as the Assistant
Division Commander, 2d Marine Division in July 2008. He assumed duties as the
Assistant Division Commander, 1st Marine Division in July 2009 and deployed to
Afghanistan as Commanding General, 1st Marine Division (Forward) from March
2010 to March 2011.
Brigadier General Osterman then transferred to
Quantico, Virginia in June 2011, where he was assigned as the Commanding
General, Marine Corps Recruiting Command. Upon completion of this tour in
December 2012, he then reported to ISAF Joint Command in Afghanistan, where he
served as the Deputy Chief of Staff, Joint Operations until March 2014.
Following this assignment he served as the Deputy Commanding General, MCCDC,
Major General Osterman assumed command of U.S.
Marine Corps Forces, Special Operations Command in August 2014.
Major General Osterman's decorations include the
Defense Superior Service Medal with gold star, Legion of Merit with gold star,
Bronze Star, Meritorious Service Medal with two gold stars, the Navy Marine
Corps Commendation Medal with gold star and the Navy Marine Corps Achievement
Medal with gold star. He is a recipient of the Navy League's John A. Lejeune