Wounded Warrior Regiment Leadership


Colonel Scott D. Campbell
Commanding Officer - Wounded Warrior Regiment

Colonel Scott Campbell assumed the duties of Commanding Officer, Wounded Warrior Regiment in February 2015. A native of Texas, he graduated from the University of Oklahoma through the Naval Reserve Officer Training Course and was commissioned in 1987. He previously served as the Chief of Staff, Education Command from July 2014 to February 2015.

Colonel Campbell has served as an infantry officer at all levels. He has been assigned to 3rd Light Armored Vehicle Battalion, 29 Palms; Marine Corps Security Force Company Bermuda; Fleet Anti-Terrorism Security Team Company, Norfolk VA where he deployed in support of Operation Restore Hope; I&I 4th Reconnaissance Battalion, Anchorage, Alaska; 2nd Reconnaissance Battalion, Camp LeJeune; and 2nd Battalion, 6th Marines, Camp LeJeune. He was also assigned to the Technical Assistance Field Team in Saudi Arabia as the Schools and Naval Special Forces advisor and the Anti-Terrorism Force Protection Officer with the US Africa Command Stuttgart, Germany.

Colonel Campbell has commanded 2nd Force Reconnaissance Company; Maritime Special Purpose Forces, 22nd Marine Expeditionary Unit; 2nd Air Naval Gunfire Liaison Company Camp LeJeune NC; and the 15th MEU. Colonel Campbell has also served as a Marine Liaison Officer in support of Operation Enduring Freedom at Fort Belvoir.

His joint assignments include service as the commander of Joint Task Force, Train and Equip Program, Republic of Georgia US Africa Command.

Colonel Campbell is a graduate of the Amphibious Warfare School and Naval War College. He holds a Master’s Degree in International and Strategic Studies. He has served as the senior Marine fellow at the Council on Foreign Relations in Manhattan, NY.

Lieutenant Colonel J. Eric O'Harra
Executive Officer - Wounded Warrior Regiment

Lieutenant Colonel Eric O’Harra assumed duties as the executive officer, Wounded Warrior Regiment in May 2014. A native of Tucson, Arizona, he graduated from University of Arizona and was commissioned a Marine Officer through the Officer Candidate Course Program in 1991. He previously served as the operations officer, Wounded Warrior Regiment from June 2013 to May 2014.

Following designation as an Air Defense Control Officer and his first assignment was Marine Air Control Squadron 5, MCAS Beaufort, SC. He has served in Okinawa, Japan MACS-4; Marine Tactical Air Command Squadron; MTACS-38; Headquarters Marine Corps Aviation C2 Transition Task Force.

Lieutenant Colonel O’Harra has commanded Early Warning/Control Detachment and Tactical Air Operations Center Detachment, MCAS Yuma, AZ; C Company, Marine Corps Communications and Electronics School; MACG Detachment, 15th MEU supporting Operation Iraqi Freedom and Operation Unified Assistance; and Marine Air Control Squadron 4. During his tour with MACS-4, the squadron participated in numerous exercises and contingency operations resulting in recognition as 2012 Marine Command and Control Squadron of the year.

Lieutenant Colonel O’Harra deployed an Early Warning Control Detachment to Kuwait in support of Operation Southern Watch. He has served in numerous Marine Corps and Joint/Combined exercises/operations as well as deployments in support of Operation Southern Watch and Operation Iraqi Freedom II.

Lieutenant Colonel O’Harra is a graduate of Weapons and Tactics Instructor Course, Command and Staff Course, and Air War College.

Sergeant Major Karl D. Simburger
Regiment Sergeant Major - Wounded Warrior Regiment

Sergeant Major Simburger enlisted in the Marine Corps in October of 1988 and reported to Marine Corps Recruit Depot (MCRD), Parris Island, South Carolina in July of 1989 for recruit training.  Upon completion of recruit training and Marine Combat Training, he was transferred to Marine Corps Communications Electronics School, Marine Corps Air Ground Combat Center, 29 Palms, California for training as a field radio operator. After completion of MOS school, Sergeant Major Simburger reported to 7th Communications Battalion, Okinawa, Japan for duty with Company A, serving as a radio operator/supervisor.  In December of 1990, he was meritoriously promoted to the rank of corporal.
 In October of 1991, Sergeant Major Simburger was transferred to 1st Battalion, 6th Marines, Camp Lejeune, North Carolina.  Shortly after arrival, Sergeant Major Simburger was reassigned as the communications chief, SPMAGTF UNITAS XXXIII.  Upon completion of the deployment, Sergeant Major Simburger was transferred to 3d Battalion, 6th Marines and was promoted to the rank of sergeant in January of 1994.  Sergeant Major Simburger participated in contingency operations Continue Hope, Deny Flight, and Uphold Democracy.  Upon return from deployment, Sergeant Major Simburger attended Sergeant's Course Class 1-95 and graduated as the honor graduate.  
 In April of 1995, Sergeant Major Simburger reported to Drill Instructor School Class 3-95, MCRD, San Diego, California.  Upon completion of school, Sergeant Major Simburger was assigned to Company G, 2d Recruit Training Battalion and also served as a Night Processing DI with Receiving Co, Support Battalion. After successfully completing his tour, Sergeant Major Simburger was assigned to 1st Air Naval Gunfire Liaison Company (ANGLICO), I MEF Headquarters Group (MHG), Camp Pendleton, California as a radio chief.  Upon the deactivation of 1st ANGLICO in May of 1999, Sergeant Major Simburger assumed the duties as the communications chief, I Marine Liaison Element, I MHG, I MEF.
 In May of 2000, Sergeant Major Simburger transferred to the Inspector/Instructor Staff, 3D ANGLICO, Long Beach, California and assumed the duties as the I&I communications chief.  In April of 2001, he was promoted to the rank of gunnery sergeant and assumed the duties as a static line jumpmaster and the assistant parachute safety officer.  Upon the unit's activation in January of 2003, Sergeant Major Simburger was assigned as the team chief, Supporting Arms Liaison Team "G", 3d Brigade Platoon.  He was subsequently attached to the 1st Battalion, The Parachute Regiment (The Paras), 16th Air Assault Brigade, I U.K. Division for Operation Iraqi Freedom (OIF).  Upon return from OIF, Sergeant Major Simburger was selected for and promoted to the rank of first sergeant.  

 In May of 2004, Sergeant Major Simburger was transferred to 8th Communication Battalion, II MHG, II MEF, Camp Lejeune, North Carolina and was assigned as the First Sergeant for Company A.  Sergeant Major Simburger deployed in support of OIF 04-06.2, from August 2005 to March 2006.  In May of 2007, Sergeant Major Simburger was transferred to MCRD, San Diego, California, and assumed the duties as the First Sergeant for Company B, 1st Recruit Training Battalion.  In May of 2008, Sergeant Major Simburger was promoted to his present grade. He was posted as the Battalion Sergeant Major, 1st Recruit Training Battalion in June of 2008 until April of 2009 when he assumed the duties as the Support Battalion Sergeant Major.  Sergeant Major Simburger relinquished his post as the Support Battalion Sergeant Major on 19 February 2010 and reported for duty as the Sergeant Major, 1st Combat Engineer Battalion, 1st Marine Division on 4 March 2010.  During this assignment, Sergeant Major Simburger deployed with the battalion in support of Operation Enduring Freedom 10.2, from October 2010 to May 2011 and 12.1 from April to October 2012.  Sergeant Major Simburger relinquished his post on 26 June 2013 and assumed the duties as the Installation Sergeant Major, Marine Corps Logistics Base - Barstow, California on 28 June 2013.  Sergeant Major Simburger assumed his current assignment as the Sergeant Major for the Wounded Warrior Regiment on 19 February 2016.
    Sergeant Major Simburger's personal decorations include the Bronze Star Medal, the Meritorious Service Medal (2d award), the Navy and Marine Corps Commendation Medal (3d award), the Navy and Marine Corps Achievement Medal (4th award), and the Combat Action Ribbon (2d award).  He is a qualified parachutist and is authorized to wear the Navy and Marine Corps Parachutist insignia.  Sergeant Major Simburger is a graduate of the U.S. Army Static Line Jumpmaster Course and Pathfinder Course.  Sergeant Major Simburger holds a Bachelor of Arts in Business Management from American Military University.

Mr. Paul Williamson
Command Advisor - Wounded Warrior Regiment

Mr. Williamson began his Civil Service career in October 2001 with his appointment as President, Department of the Navy Physical Evaluation Board, Washington, DC. In December 2007, he was selected for his current position as the Command Advisor for the Wounded Warrior Regiment.

As Command Advisor, Mr. Williamson advises the Regimental Commander and other senior Marine Corps officers, to include the Commandant of the Marine Corps, on all matters related to wounded warrior and family care coordination.

Previous to his initial Civil Service appointment, Mr. Williamson completed a distinguished career of 32 years active naval service. Mr. Williamson enlisted in June 1969 and promoted to Senior Chief Petty Officer concurrent with his commissioning as an Ensign in April 1979 through the Navy’s In-Service Procurement Program. As an Administration Limited Duty Officer, he held a variety of leadership and command positions at sea and ashore. Mr. Williamson retired from active duty in January 2001 as a Commander.

In recognition of his outstanding performance of duty as the President, Department of the Navy Physical Evaluation Board, Mr. Williamson was awarded the Superior Civilian Service Award in 2006. In 2014, Mr. Williamson was awarded the Meritorious Civilian Service Award for his service with the Marine Corps Wounded Warrior Regiment.