LTC Greg R. Thayer was commissioned through ROTC in 1995. After completing the Quartermaster Officer Basic Course, his first duty assignment was with the 528th Special Operations Support Battalion (Airborne), United States Army Special Operations Command, Fort Bragg, North Carolina where he served as the Assistant S4, a Fuel & Ammo Platoon Leader, and Forward Support Company Executive Officer in Bravo FSC.
In 1999, He was assigned to the 1st Brigade, 1st Armored Division (Friedberg, Germany) where he served in the 501st Forward Support Battalion as the Operations Officer, Forward Support Company Commander, 284th BSB Area Support Team Commander, and as the Brigade Logistics Officer during Operation Iraqi Freedom (OIF-I) in 2003.
LTC Thayer later deployed in support of OIF-3, as an Iraqi Army Advisor under the Multi-National Security Transition Command-Iraq where he served with the Iraqi Army's 2nd Motorized Transportation Regiment. After attending the Command and General Staff College, LTC Thayer was stationed in Riyadh, Saudi Arabia (2008-2009) where he served as the Senior Logistics Advisor to the Saudi Arabian National Guard. Upon returning from Saudi Arabia in 2009, he served as the Battalion Executive Officer of the 1st Battalion, 383rd Regiment, 166th Aviation Brigade, Fort Hood, Texas.
From 2011 to 2015, LTC served as the Chair of the Military Science and Leadership Department, College of Humanities and Social and Behavioral Sciences at Central Michigan University, developing and Commissioning the Army’s future 2nd Lieutenants.
In 2015, LTC Thayer was assigned to Joint Task Force Bravo, in Soto-Cano, Honduras where he served as the Joint Logistics Officer, supporting Humanitarian Aid, Disaster Response, and Counter-Transnational Organized Crime missions across the 7 nation region of Central America. From 2016-2017 he served as the Chief of the Materiel Readiness Division with the Army Sustainment Command at Rock Island Arsenal.
Prior to his commission, LTC Thayer served honorably as an Infantryman from 1985 to 1989, serving in the 2nd and 24th Infantry Divisions.
LTC Thayer's education includes double majors in Geography (B.S.) and Criminal Justice (B.A.), from Western Michigan University and a Master of Health Sciences in Emergency Response and Disaster Management from Touro University. LTC Thayer is also a graduate of the United States Army Command and General Staff College at Fort Leavenworth, KS.
LTC Thayer’s awards and decorations include the Bronze Star Medal, the Defense Meritorious Service Medal, Meritorious Service Medal (5th award), Joint Commendation Medal, Army Commendation Medal (4th award), Army Achievement Medal (6th award), Army Good Conduct Medal, National Defense Service Medal ( 2nd award), Iraqi Campaign Medal (2 campaign stars), Global War on Terror Expeditionary Medal, Global War on Terror Service Medal, Korea Defense Service Medal, NCO Professional Development Ribbon, Army Service Ribbon, Overseas Service Ribbon with numeral 6, Combat Action Badge, Expert Infantryman's Badge, Senior Parachutist's Badge, Pathfinder Badge, Parachute Rigger Badge, as well as parachutists wings from Thailand and Australia.