Gunnery Sergeant Matthew Duncan hails from Norcross, Georgia, and reported for Recruit Training in September 2005, at Marine Corps Recruit Depot, Parris Island, SC. Upon graduation Private First Class Duncan attended Marine Combat Training at Camp Geiger, NC. He then reported to the School of Music in Norfolk, Virginia.
 
After graduation, Lance Corporal Duncan reported to the 2nd Marine Division Band, Camp Lejeune, NC, as a Tuba Instrumentalist. He was promoted to Corporal in August 2006. Shortly thereafter in February 2007, he deployed in support of Operation Iraqi Freedom with Second Low Altitude Air Defense Battalion as a security guard. Upon his return in September 2007, he was assigned as a Fire Team Leader. In June 2008, he finished the Corporal's Leadership Course as the Honor Graduate.
 
Corporal Duncan was then attached as an individual augment with II Marine Expeditionary Force G-2 as the Assistant Operations Chief. After his promotion to Sergeant in October 2008, he deployed in support of Operation Iraqi Freedom in January 2009. He also integrated and served with the 7th Divisions Mobile Iraqi Training Team as a driver, gunner, and Corporals course instructor with II Marine Headquarters Group for two cycles.
 
Sergeant Duncan returned from deployment in December 2009, and then received orders to the Marine Forces Pacific Band in Hawaii. In 2011, Sergeant Duncan became a Marine Corps Martial Arts Instructor (MAI) and a Marine Corps Instructor of Water Survival (MCWIS). From March 2012 to July 2013, Sergeant Duncan served as the Platoon Sergeant for the Band. Sergeant Duncan was promoted to Staff Sergeant in February 2014 and continued to serve as the Supply SNCIOC, Tuba Section Leader, and Assistant Instrument Repair Technician (IRT).
 
In May of 2016, Staff Sergeant Duncan reported to the III Marine Expeditionary Force (MEF) Band in Okinawa, Japan. There he served in a myriad of billets to include Platoon Sergeant, Brass Band unit leader, Tuba Section Leader, MAI, MCIWS, Fiscal and Supply SNCOIC, Defense Travel Approving Official and Assistant IRT. SSgt Duncan was the FY18 Senior Musician of the Year for the III MEF Band.
 
From July 2019 to July 2020, Staff Sergeant Duncan attended the band instrument repair program at Minnesota State College Southeast in Red Wing, Minnesota where he graduated with Honors. In July 2020, Staff Sergeant Duncan reported to the 1st Marine Division Band in Camp Pendleton, California where he currently serves as the Band's Instrument Repair Technician. On September 1, 2020, he was promoted to his current rank of Gunnery Sergeant.
 
Gunnery Sergeant Duncan's personal awards include the Navy and Marine Corps Commendation Medal and the Navy and Marine Corps Achievement Medal with gold star in lieu of second award. He also received a Bachelor of General Studies from American Military University.