Sergeant Major Luis A. Galvez reported to Marine Corps Recruit Depot, San Diego, California on 13 October 1998, and graduated on 9 January 1999. Upon completion of Marine Corps Combat Training, he attended the Basic Combat Engineer School in Courthouse Bay, Camp Lejeune, North Carolina. After successful completion he received orders to 1st Combat Engineer Battalion.
In April 1999, Private First Class Galvez reported to Company C, 1st CEB. In October 2001, Corporal Galvez deployed with the 13th Marine Expeditionary Unit (MEU) in Support of Company G, 2nd Battalion, 1st Marines (V2/1), as assistant squad leader. In January 2003 Sergeant Galvez deployed with the 15th MEU in support once again of Company G, V2/1 as a squad leader. While on the 15th MEU, Sergeant Galvez participated in Operation Iraqi Freedom (OIF1), as part of Task Force Tarawa.
In October 2003, Sergeant Galvez was transferred to Company A, 9th Engineer Support Battalion (ESB), 3rd Force Service Support Group, Okinawa, Japan. During the one year assignment, Sergeant Galvez served as a squad leader and Platoon Sergeant, and participated in numerous training exercises to include Cobra Gold in Thailand, and Korean Incremental Training Program in South Korea.
In October 2004, Sergeant Galvez was transferred to Marine Barrack 8th & I, Washington DC. During his time at 8th & I, he served as Construction Chief, Maintenance Operations Chief, and Light Director for over 50 ceremonial evening parades held on the grounds of the “Oldest Post”. On 1 February 2006 he was promoted to Staff Sergeant at the “Home of the Commandants”.
In June 2008, Staff Sergeant Galvez was transferred to Company A, 9th ESB, 3rd MLG, and deployed with Combat Logistics Battalion 4, in support of OIF as the Route Clearance Platoon Sergeant. Upon return from Iraq, Staff Sergeant Galvez was reassigned to 9th ESB where he served as a Platoon Commander and Company Gunnery Sergeant. He was promoted to Gunnery Sergeant on 1 December 2009 and assigned as the Headquarters and Service Company First Sergeant.
In July 2011, Gunnery Sergeant Galvez was transferred to Company C, 1st CEB and deployed to Afghanistan in support of 1st Battalion, 7th Marines as the Combat Engineer Platoon Sergeant. Upon returning from Afghanistan, Gunnery Sergeant Galvez was assigned as the Company Gunnery Sergeant for Mobility Assault Company (MAC), and in 2012, he deployed to Afghanistan with MAC, providing route clearance support for coalition forces in the Al Anbar Province. Upon returning from deployment, Gunnery Galvez was reassigned at H&S Company First Sergeant.
First Sergeant Galvez was frocked to his current rank on 6 January 2015. On 23 January 2015 he was assigned to Company C, First Battalion, 5th Marines. In November 2015, he deployed in support of the 31st MEU.
In July 2016, First Sergeant Galvez was transferred to The Basic School, Quantico Virginia, where he has served as the Company First Sergeant for Headquarters and Service Company, Company F, and Company M.
Sergeant Major Galvez was frocked to his current rank on 7 June 2019. On 11 July 2019 he assumed duties as Headquarters and Headquarters Squadron Sergeant Major.
Sergeant Major Galvez’ personal awards include the Navy and Marine Corps Commendation Medal with two gold stars, Navy and Marine Corps Achievement Medal, Combat Action Ribbon, and other unit and service awards.
Sergeant Major Casillas is married to the former Christina M. Meneses Ed. D., and together have three children, Xico (21), Malea (19), and Cristian (12).
He is married to (USAF) retired Yesenia Galvez and together have two children: Luis Fernando (11), and Arianna (7).