Command Sergeant Major
Scott J. Marshall assumed
responsibility as the Command Sergeant
Major of the 3rd Medical Training Brigade
(3MTB) San Antonio, Texas on 1 March
2021. A native of Colorado Springs,
Colorado CSM Marshall began his Army
career in February 1988 where he attended
Basic Training at Fort Leonard Wood,
Missouri followed by Advanced Individual
Training at Fort Huachuca, Arizona as a
Counterintelligence Agent
During his 35 years of distinguished military
service, CSM Marshall has served in
leadership positions at every Non-
Commissioned Officer level including Team
Leader, Squad Leader, Platoon Sergeant,
Master Instructor, First Sergeant, Command
Senior Enlisted Advisor, Operations
Sergeant Major, and Command Sergeant
Major. CSM Marshall has deployed multiple
times in support of Operation Enduring Freedom (Afghanistan) and Operation Iraqi Freedom
(Iraq) in addition to multiple Active-Duty Operational Support (ADOS) assignments.
His military education includes graduation of the United States Army Sergeants Major
Academy, First Sergeant Course, Advanced Non-commissioned Officer Course, Basic Non-
commissioned Officer Course, Primary Leadership Development Course, the US Army
Counterintelligence Course, the Department of Defense Advanced Source Operations
Course (ASOC), Survive, Evade, Resist, Escape (SERE) Level ”C” Course, Defense
Strategic Debriefing Course (DSDC), Basic Instructor Training Course w/Master Trainer
Badge, Small Group Instructor Course, Adversarial Denial and Deception Course, Reid
Basic/Advanced Interviewing, Behavioral Interviewing Training/Metrics, Equal Employment
Opportunity (EEO), and Counter-drug courses.
CSM Marshall’s awards include the Bronze Star Medal, Meritorious Service Medal (2nd
award), Army Commendation Medal (2nd award), Army Achievement Medal (4th award),
Good Conduct Medal (4th award), Army Reserve Component Achievement Medal (7th
Award), the Armed Forces Reserve Medal with “M” device w/numeral “3”, w/silver hourglass,
National Defense Service Medal (2nd award), Iraq Campaign Medal (two bronze service
stars), Afghanistan Campaign Medal (one bronze service star), Global War on Terrorism
Expeditionary Medal, Global War on Terrorism Service Medal, Korea Defense Service Medal,
NCO Professional Development Ribbon (5th award), Army Service Ribbon, Overseas
Service Ribbon (2nd award), Joint Meritorious Unit Award, and Army Superior Unit Award.
In his civilian capacity, CSM Marshall serves as a Counterintelligence and Human
Intelligence Officer for the Department of Defense. He resides in Sierra Vista, AZ with his
wife, Heather Marie. They have a combined family with nine children. Corrine, Mikaela,
Rylee, Garran, Steven, Alyssa, Ella, Victor, and Sabrina.
COMMAND SERGEANT MAJOR
SCOTT J. MARSHALL