Gunnery Sergeant Matthew L. Koscheski is a native of Colorado Springs, Colorado. He enlisted in the Marine Corps in July 2003 and attended Recruit Training at Marine Corps Recruit Depot San Diego, California. Upon completion of Recruit Training and Marine Combat Training, Private First Class Koscheski attended the Basic Course of Instruction at the Navy School of Music in Virginia Beach, Virginia. While there, he was promoted to Lance Corporal.
In May of 2004, Lance Corporal Koscheski was assigned to the Marine Forces Pacific Band in Kaneohe Bay Hawaii. While stationed there he served as a Trumpet instrumentalist and trumpet section leader and was promoted to the ranks of Corporal and Sergeant.
In October of 2007, Sergeant Koscheski was assigned to the 3D Marine Aircraft Wing Band in Miramar, California where he served as the trumpet section leader and high brass group leader. In February of 2009 he was promoted to the rank of Staff Sergeant. From October 2010 to March 2011, SSgt Koscheski was deployed to Afghanistan in support of Operation Enduring Freedom, where he served as the Squadron S-3 chief for Marine Wing Headquarters Squadron 3 (Forward) and Entry Control Point Security chief for the 3D Marine Aircraft Wing (Forward).
In August 2011, Staff Sergeant Koscheski was assigned to the Marine Corps Forces Reserve Band in New Orleans, Louisiana. During his tour with the MARFORRES Band, Staff Sergeant Koscheski served as the High Brass group leader, platoon sergeant, and Assistant Instrument Repair Technician.
In February 2014, Staff Sergeant Koscheski was selected for his current billet as Instrument Repair Technician and in August reported to Minnesota State College-Southeast Technical to attend the Band Instrument Repair program.
Staff Sergeant Koscheski graduated the Band Instrument Repair program in May 2015 and served as Instrument Repair Technician at the Parris Island Marine Band in South Carolina. He was promoted to his current rank of Gunnery Sergeant in August 2015.
Gunnery Sergeant Koscheski was reassigned to the 2D Marine Aircraft Wing Band in July 2019, where he currently served as Bandmaster and Instrument Repair Technician.
In September, 2022 Gunnery Sergeant Koscheski was assigned to the Marine Forces Reserve Band where he currently serves as the Instrument Repair Technician.
Gunnery Sergeant Koscheski’s awards include the Navy and Marine Corps Commendation Medal (2nd Award), Navy and Marine Corps Achievement Medal, Navy Unit Citation, Good Conduct Medal (6th award), National Defense Service Medal, Afghanistan Campaign Medal (2nd Award), Global War on Terrorism Service Medal, Sea Service Deployment Ribbon, and Non-Article 5 NATO medal.