Decisive Advantage: Moving the Army’s Mission at Speed

Lt. Gen. Christopher L. Eubank assumed command of U.S. Army Cyber
Command (ARCYBER) on December 3, 2025.

A Virginia native, Eubank was commissioned as an Army second lieutenant
after graduating from the Virginia Military Institute with a bachelor’s degree
in History. He began his Army career in 1991 as an Armor Officer, before
transferring to the Signal Corps in 1993.

Eubank’s previous assignments include tours as Commander, 82nd Airborne
Division Special Troops Battalion, and Deputy Director for Communications,
United States Special Operations Command (USSOCOM).
He has commanded units at the company, battalion, brigade, and command
level, including service as the 39th Chief of Signal and Signal School
Commandant; Commander, 7th Signal Command; and Commander, United
States Army Network Enterprise Technology Command. He has recently served
as Chief of Staff of United States Strategic Command, the position he held
immediately prior to commanding ARCYBER.

Eubank’s joint assignments include service as Director, J-6, United States Africa
Command; and Director, J-6, Special Operations Joint Task Force Afghanistan.
He has deployed eight times in support of Operation Iraqi Freedom and
Operation Enduring Freedom.

Eubank has also earned master’s degrees in Computer Resource and
Information from Webster University, and in Strategic Studies from the United
States Army War College.

His military awards and decorations include the Defense Superior Service
Medal, Legion of Merit (two oak leaf clusters) , Bronze Star Medal (three oak leaf
clusters), Defense Meritorious Service Medal (one oak leaf cluster), Meritorious
Service Medal (three oak leaf clusters), Army Commendation Medal (two oak
leaf clusters), Joint Service Achievement Medal, Army Achievement Medal,
Iraq Campaign Medal, Afghanistan Campaign Medal, Global War on Terror
Expeditionary and Service Medals, NATO Medal, Combat Action Badge, Master
Parachutist Badge, and Polish Jump Wings.

Mr. Gabriele Chiulli serves as the acting Chief Information Officer (CIO) for the U.S. Army. In this role, he acts as the principal advisor to the Secretary of the Army on information resource management (IRM) and information technology (IT) and the effect of IRM and IT on warfighting capabilities. He sets strategic direction and oversees the execution of policies and programs for IRM and IT. His responsibilities include managing Army’s integrated IT architecture, guiding information sharing and cybersecurity policies, overseeing cybersecurity program management, managing the IRM processes lifecycle, and ensuring the synchronization of the IT enterprise.

Prior to his current role, Mr. Chiulli served as a Highly Qualified Expert (HQE) advisor to the Enterprise Cloud Management Agency (ECMA), a field operating agency of the Headquarters, Department of the Army (HDQA) CIO office, where he delivered and governed a secure multi-cloud ecosystem to support the Army’s digital transformation. He set the technical direction and overall roadmap for Army cloud transformation, which included incorporating zero trust elements, enabling rapid development, and developing the Army’s cloud workforce.

Until November 2024, Mr. Chiulli was the National Ground Intelligence Center (NGIC) Senior Technology Officer and Chief Technology Officer of the Army Military Intelligence Cloud Compute Service Provider, a role he assumed on 21 May 2023. In this capacity, he was responsible for leading NGIC’s ongoing modernization efforts to transform the Army Intelligence and Security Enterprise (AISE) technology enterprise. He has over 15 years of demonstrated technical, analytic, and policy expertise in support of Identity Intelligence, Information Technology, and national security operations.