Juan Ramirez

Director, 5G Cross Functional Team

Office of the Chief Information Officer (DOD CIO)

Director, 5G-Cross Functional Team C3 Infrastructure (C31) Directorate Office of the Chief Information Officer U.S. Department of Defense
Mr. Juan Ramírez is the Director of the 5G Cross- Functional Team (5G CFT) for C3 Infrastructure (C3I) Directorate of the Deputy Chief Information Officer for Command, Control, and Communications (C3), Office of the Secretary of Defense, Chief Information Officer (CIO).
As Director of the 5G CFT, Mr. Ramírez provides technical and policy expertise, programmatic oversight, and broad guidance to synchronize and integrate 5G into defense-wide programs and achieve the DoD’s Digital Modernization Strategy initiatives. He represents DoD in interagency efforts defining and implementing U.S. Government policies and strategies for 5G-related critical infrastructure and supports international cooperation in 5G system design and prototyping. Mr. Ramírez leads the Executive Secretariat support to the DoD 5G Oversight Committee, an executive body that comprises 3- and 4-Star- level senior leaders and stakeholders.

Prior to joining the C3I Directorate in 2023, Mr. Ramírez served as Director of the Office of Planning and Programming for the Chief Financial Officer and Comptroller of the Defense Information Systems Agency (DISA). During his tenure, DISA became a premiere IT combat support agency and the trusted provider to connect and protect the warfighter in cyberspace. He streamlined the Cyber portfolio, successfully defended against DoD Appropriations Committee (Sustainment) proposed reductions (~+$1.5B) and secured additional funding for Cyber for ten consecutive years – resulting in a 45% cumulative increase in non-pay resources and a 20% increase in civilian full-time equivalents.

From 2021 to 2022, Mr. Ramírez served as Deputy Director CIO_C3_C3I. A recipient of the Department of Defense’s Office of the Secretary of Defense Award for Excellence in July 2022, he was instrumental in improving C3’s enterprise planning and technological superiority posture. Mr. Ramírez also served in the Revolving Funds Directorate of the Office of the Under Secretary of Defense, Comptroller. While directing the Non-Appropriated Funds and Army Working Capital Fund (AWCF) accounts, he managed a total operating authority of over $13 billion for the AWCF.
Mr. Ramírez is a Georgetown University McDonough School of Business graduate and earned his master’s degree in Public Policy from George Mason University.

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