Sergeant Major Thomas R. Coffey is a native of Long Island, NY and Spring Hill Florida. He enlisted in the Marine Corps in September 2000 and completed Recruit Training at MCRD Parris Island, SC. After Recruit Training and Marine Combat Training, he attended Aircraft Rescue and Fire Fighting School in San Angelo, TX.
Following MOS School, he was assigned to Marine Corps Air Facility Kaneohe Bay, HI. During this tour, he served as a P-19 Crewmen, P-19 Crew Chief, Assistant Section Leader, and Section Leader participating in various exercises. While stationed in Hawaii he volunteered for an Individual Augment (IA) bullet Deploying to Iraq from July 2004 to March 2005 with the 11th Marine Expeditionary Unit (MEU) attached to 1st Battalion, 4th Marines where he served as the Battalion Landing Team's Watch Chief.
In July 2006, Sergeant Major Coffey attended Drill Instructor School at MCRD Parris Island, SC and was named the Honor Graduate for class 4-06. He immediately attended the Marine Combat Instructor of Water Survival (MCIWS) course before being assigned to 1st Battalion, Bravo Company where he served as a Drill Instructor, Experienced Drill Instructor, and Senior Drill Instructor. He also served at the Combat Training Pool where he completed the Marine Combat Instructor Trainer of Water Survival (MCITWS).
In August 2009, Sergeant Major Coffey was assigned to MWSS-274 where he served as the Aircraft Rescue & Fire Fighting (ARFF) Crash Chief. While attached to MWSS-274 he deployed to Helmand Province, Afghanistan from February 2010 to September 2010. When his unit came back from deployment, he filled the billet of Air Operations Company Gunnery Sergeant. In April 2011 he was meritoriously promoted to the rank of Gunnery Sergeant.
In December 2011, Sergeant Major Coffey applied for and received orders to Assistant Marine Officer Instructor (AMOI) duty at NROTC Rice University. In the summers of 2012 and 2013 he augmented OCS as a Sergeant Instructor and Platoon Sergeant. In January of 2015 he was promoted to the rank of 1stSgt and received orders to 2d Battalion 6th Marines in Camp Lejeune, NC. where he served as Fox Company First Sergeant. In October of 2015 he deployed with Fox Company, 2/6 on the 26th MEU aboard the USS Arlington. In April of 2017 First Sergeant Coffey was assigned to 8th Communication Battalion where he served as the Company 1stSgt for Bravo Company and Service Company.
In March of 2019 Sergeant Major Coffey was promoted to his current rank and assigned as the Inspector - Instructor Sergeant Major for 3d Battalion, 14th Marines. In June of 2022 Sergeant Major Coffey reported to H&HS Cherry Point, NC. serving as the Squadron Sergeant Major. In August of 2023 Sergeant Major Coffey received orders to his current unit 2d Marine Regiment where he serves as the 2d Marine Regiments Sergeant Major.
Sergeant Major Coffey's personal awards include the Meritorious Service Medal, Navy Commendation Medal (4th award) and Navy Achievement Medal (3rd award).