Colonel Parker enlisted in the Marine Reserves and graduated recruit training at Parris Island, SC in August 1985. He was assigned to Weapons Company, 2d Bn, 25th Marines, until February 1990, when he attended OCS, and was commissioned upon graduation in April 1990.
Following The Basic School and the Field Artillery Officer Basic Course, he was assigned to 1st Bn, 10th Marines, Camp Lejeune, NC, where served as a Forward Observer, Fire Direction Officer, Adjutant, and Battery Executive Officer.
From 1993 to 1996, he served as the Cadre Liaison Officer, Marine Detachment (Afloat) Officer, and Asst Operations Officer, Marine Corps Security Force Bn, Norfolk, VA. During this assignment, he was promoted to Captain, then attended the Amphibious Warfare School in Quantico, Virginia.
From 1997 to 1998, he was assigned as the Fire Support / Assistant Operations Officer at the 31st Marine Expeditionary Unit (Special Operations Capable)From 1998 to 2001, he returned to Camp Lejeune to serve as the Battalion Logistics Officer, Operations Officer, and Commanding Officer, Battery T, 5th Battalion, 10th Marines. Promoted to Major, he then served as Operations Officer of Headquarters Bn, 2d Marine Division, then as Operations Officer, 5th Bn, 10th Marines.
He attended the College of Naval Command and Staff, Newport, Rhode Island, from August 2001 to September 2002, graduating with distinction, with the additional designation Naval Operational Planner. He was subsequently assigned to the Regional Operations Center, Allied Forces, Southern Europe, where he served as the Executive Officer.
In July 2003, he reported Weapons Training Bn, MCB, Camp Lejeune for duty as Executive Officer. In May 2004, he assumed duties as Executive Officer, 2d Bn, 10th Marines and deployed with 2d Bnattalion, as a Provisional Infantry Battalion in support of Operation IRAQI FREEDOM II-2 from August 2004-April 2005. Transferred to the 10th Marine Regiment in May 2005, he served as the Regimental S-3. While the Operations Officer for 10th Marines, he planned and executed three regimental field firing exercises, and was promoted to LtCol.
In May 2006, he assumed command of 2d Battalion, 10th Marines. From February-September 2007, He deployed with 2d Bn(-)(REIN) as a provisional infantry battalion and executed counterinsurgency operations in support of Operation IRAQI FREEDOM 06-08.1. Upon return from Iraq, 2d Bn(-)(REIN)was the first 10th Marines Battalion to field the M777A2 Lightweight Howitzer and conducted the final field testing on the Expeditionary Fire Support System (EFSS).
In June 2008, he transferred to the Joint Staff, serving as a Strategic Planner in the J-7, where he instituted, led, and executed the Crisis Management Exercise Program for the Chairman of Joint Chiefs of Staff. Following this assignment, he attended the Marine Corps War College in Quantico, Virginia, graduating in May 2011.
In June 2011, he assumed the duties of G3 for the Marine Corps Warfighting Laboratory, and was promoted to his present rank in November 2011. In April 2013, he assumed the duties of the Deputy Director of the Futures Directorate.
In May 2014, he assumed command of Weapons Training Battalion, Quantico, VA where he served as the Marine Corps Marksmanship Proponent. In July 2016, he assumed command of the Marine Detachment, Fort Sill, OK. Colonel Parker’s personal decorations include the Legion of Merit (Gold Star in lieu of second award), Bronze Star, Defense Meritorious Service Medal, Meritorious Service Medal (Two Gold Stars in Lieu of Third Award), Navy and Marine Corps Commendation Medal (Gold Star in Lieu of Second Award), Joint Service Commendation Medal, Joint Service Achievement Medal and Navy and Marine Corps Achievement Medal.
He is married to the former Joan Brennan of Royal Oak, MI. They have ten children: Katherine, Molly, John, Timothy, Megan, Colleen, Shane, Michael, Kiley, and Kerry.