Sergeant Major Alan B. Daigle is a native of Pearland, Texas, with more than two decades of military and civilian leadership experience spanning combat operations, maintenance and logistics, foreign security cooperation, project management, and organizational operations. His career reflects a steady progression from hands-on technical roles to positions of increasing leadership and responsibility in both the United States Marine Corps and the private sector. He currently serves as the Command Senior Enlisted Advisor for 4th Reconnaissance Battalion, 4th Marine Division, while also serving as Director of Operations at Arnold Construction.
Sergeant Major Daigle enlisted in the United States Marine Corps in September 2005 and attended recruit training at Marine Corps Recruit Depot San Diego, California. Following recruit training, Private First Class Daigle completed the Assault Amphibian School in January 2006 as the Honor Graduate, earning the Military Occupational Specialty of Amphibious Assault Vehicle Repairman (2141) and being promoted to Lance Corporal. He was subsequently assigned to Company B, 2nd Assault Amphibian Battalion, Camp Lejeune, North Carolina, where he served as a Maintainer and Platoon Maintenance Chief and was promoted through the ranks of Corporal and Sergeant.
In October 2006, Corporal Daigle deployed with Company B, 2nd Assault Amphibian Battalion, in support of Operation Iraqi Freedom. During the deployment, he was wounded by an enemy-placed improvised explosive device and was awarded the Purple Heart for wounds received in combat action. Following his return, he attended the Marine Corps Integrated Maintenance Management Course. In March 2008, Sergeant Daigle deployed again with Company B, 2nd Assault Amphibian Battalion, attached to 1st Battalion, 9th Marines, in support of Operation Iraqi Freedom.
In November 2008, Sergeant Daigle reported to Marine Corps Security Forces School in Chesapeake, Virginia. Upon completion of the Basic Security Guard Course, he earned the Military Occupational Specialty of Security Forces Guard (8152) and was assigned to Marine Corps Security Force Battalion, Kings Bay, Georgia. During this assignment, he attended Sergeant’s Course at the Staff Noncommissioned Officer Academy and was selected for promotion to Staff Sergeant in 2012.
In December 2012, Daigle reported to the Inspector-Instructor Staff at Company C, 4th Assault Amphibian Battalion, Galveston, Texas. During this assignment, he was promoted to Staff Sergeant and served as the Company Maintenance Chief, Ground Safety Manager, and Environmental Compliance Officer. These responsibilities broadened his leadership experience beyond equipment readiness to include maintenance management, workplace safety, regulatory compliance, and organizational operations.
In September 2014, Staff Sergeant Daigle transitioned from active duty to the Selected Marine Corps Reserve and remained affiliated with Company C, 4th Assault Amphibian Battalion. During his tenure with the unit, he was promoted to Gunnery Sergeant and served as the Company Logistics Chief, supporting the personnel, equipment, supply, and logistical requirements necessary to maintain organizational readiness.
Following his transition from active duty, Daigle also began a civilian career in the oil and gas industry with Enterprise Products. He began as an Analyzer Technician, bringing the technical expertise, maintenance discipline, and problem-solving abilities developed during his Marine Corps service into the industrial environment. He subsequently advanced to Maintenance Planner and then Maintenance Coordinator, assuming progressively greater responsibility for maintenance planning, scheduling, resource coordination, and operational execution. His continued professional growth ultimately led to a role as Project Manager, where he combined his hands-on technical background with his experience in maintenance, logistics, coordination, and leadership to plan and execute complex projects.
While advancing in his civilian profession, Daigle continued taking on greater leadership responsibilities in the Marine Corps Reserve. In May 2018, Gunnery Sergeant Daigle joined the Security Cooperation Team-Jordan and served as a Foreign Security Force Advisor to the Jordanian Special Forces Group, applying his leadership and operational experience in an international environment while supporting cooperation and partnership between U.S. and Jordanian forces.
In August 2019, Daigle was frocked to the rank of First Sergeant and attended the First Sergeants Course at the Staff Noncommissioned Officer Academy aboard Marine Corps Base Quantico, Virginia. Upon completion, First Sergeant Daigle was assigned as Company First Sergeant, Company C, 4th Reconnaissance Battalion, in San Antonio, Texas. After successfully deploying the unit’s Deployment Platoon, he transferred to Company B, 4th Reconnaissance Battalion, where he continued serving as Company First Sergeant.
In June 2022, First Sergeant Daigle was assigned as the Company First Sergeant for Apollo Company, 1st Battalion, 23rd Marine Regiment, in Houston, Texas. He was selected for promotion to Sergeant Major in 2023 and subsequently assigned as the Command Senior Enlisted Advisor for 3rd Force Reconnaissance Company in Mobile, Alabama.
In December 2025, 3rd Force Reconnaissance Company was deactivated and reactivated as Force Company, 4th Reconnaissance Battalion, 4th Marine Division. Following that reactivation, Sergeant Major Daigle was assigned as the Command Senior Enlisted Advisor for 4th Reconnaissance Battalion, 4th Marine Division, in San Antonio, Texas. In this position, he serves as the senior enlisted advisor to the battalion commander, providing leadership, mentorship, and guidance while supporting the readiness, welfare, discipline, and professional development of the Marines and Sailors throughout the battalion.
Building upon his military leadership and extensive industrial experience, Daigle continued his civilian career with Arnold Construction, where he now serves as Director of Operations. In this capacity, he draws upon more than two decades of experience in leadership, maintenance, logistics, project management, and operational execution to lead organizational operations, develop teams, manage resources, and drive the successful execution of company priorities and projects.
Throughout his military and civilian careers, Sergeant Major Daigle has built his leadership philosophy around technical competence, accountability, operational excellence, and the development of people. His professional journey has taken him from maintaining combat equipment and leading Marines at the small-unit level to managing complex projects, directing civilian operations, advising foreign partner forces, and serving as the senior enlisted advisor of a Marine reconnaissance battalion. Having served at nearly every level of an organization, he brings a leadership perspective grounded in understanding the mission, taking care of people, building capable teams, setting and maintaining high standards, and ensuring organizations are prepared to execute when called upon.
Sergeant Major Daigle’s personal awards include the Purple Heart; Navy and Marine Corps Commendation Medal with two gold stars in lieu of third award; Navy and Marine Corps Achievement Medal with one gold star in lieu of second award; Combat Action Ribbon; Marine Corps Good Conduct Medal with two bronze stars in lieu of third award; Selected Marine Corps Reserve Medal; Armed Forces Reserve Medal with Mobilization Device; and Military Outstanding Volunteer Service Medal.