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Command Sgt. Maj. Jack Nichols

Command Sergeant Major

U.S. Army Cyber Command

Command Sgt. Maj. Jack Nichols assumed duties as Command Sergeant Major, U.S. Army Cyber Command, on April 2, 2021.

Originally from Panama City, The Republic of Panama, Nichols entered the Army in October 1989 and attended Basic Training at Fort Jackson, S.C. He then attended Advanced Individual Training as a 31C Single Channel Radio Operator at Fort Gordon, Ga (redesignated Fort Eisenhower in October 2023). After a break in service from 1993 to 1994, Nichols reclassified to become an 11B Infantryman and attended One Station Unit Training at Fort Benning, Ga. He reverted to Signal in 2000.

He has served as a Radio Team Chief, Infantry Rifle Team Leader, Infantry Rifle Squad Leader, Special Operations Detachment Chief, First Sergeant, Troop Sergeant Major, Battalion Command Sergeant Major, Brigade Command Sergeant Major, U.S. Forces Command (FORSCOM) G6 Sergeant Major, and as Sergeant Major for the Headquarters Department of the Army Chief Information Officer (CIO)/G-6, the position he held immediately prior to his assignment to ARCYBER. He has served with the 524th Military Intelligence (MI) Battalion, 501st MI Brigade, Yongsan, Korea; 308th MI Battalion, 470th MI Brigade, Corozal, Panama; 2nd Battalion, 75th Ranger Regiment, Fort Lewis, Wash.; Joint Special Operations Command, Fort Bragg, N.C.; Joint Communications Unit, Fort Bragg, N.C.; Cyber Missions Unit (Provisional), Fort Gordon, Ga.; Cyber Protection Brigade, Fort Gordon, Ga.; FORSCOM G6, Fort Bragg, N.C.; and Headquarters Department of the Army CIO/G-6, The Pentagon, Washington, D.C. CSM Nichols has supported OPERATION SAFE HAVEN in The Republic of Panama, OPERATION IRAQI FREEDOM, and OPERATION ENDURING FREEDOM.

He has earned a bachelor’s degree in Business and Management, has completed all levels of the NCO Education System, and is a graduate of the U.S. Army Sergeants Major Academy. His military training also includes the Nominative Leaders Course, the First Sergeant Course, the Basic Airborne Course, the Static Line Jumpmaster Course, Ranger School, the Military Freefall Basic Course, the Military Freefall Jumpmaster Course, the Pathfinder Course, Survival Evasion Resistance and Escape (High Risk) Training, and the Special Operations Radio Operator Course.

Nichols’s awards and decorations include the Legion of Merit (with two oak leaf clusters), the Bronze Star (with two oak leaf clusters), the Defense Meritorious Service Medal (with two oak leaf clusters), the Joint Service Commendation Medal, the Army Commendation Medal (with three oak leaf clusters), the Joint Service Achievement Award, and the Army Achievement Medal (with three oak leaf clusters). He has also been awarded the Combat Action Badge, the Expert Infantryman’s Badge, the Master Parachutist Badge, the Master Military Freefall Badge, the Pathfinder Badge, the Ranger Tab, the German Parachutist Badge and the Romanian Parachutist Badge. In addition, Nichols is a recipient of the Gold Saint Isidore Award and the Signal Corps Regimental Association Bronze Order of Mercury.

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