Joe Cubba

As Executive Vice President & Chief Growth Officer, Joe Cubba leads ManTech’s strategic growth initiatives and investments, working with ManTech’s business sectors and the Innovation & Capabilities Organization (ICO) to drive mission-critical outcomes for our national security clients. 

He joined ManTech as a Senior Vice President following a 20-year career at IBM, where he most recently served as Senior Partner and Vice President, Defense and Intelligence. At IBM, Cubba drove double-digit annual growth by deploying AI, machine learning, advanced analytics, hybrid cloud and next-generation enterprise solutions to solve challenging mission needs across the national security enterprise. As a national security expert, he brings deep mission expertise combined with knowledge of the national innovation ecosystem. 

Throughout his career, Cubba has launched and driven many successful innovation initiatives within the Defense Department and Intelligence Community. For his thought leadership, he has been honored by both the government and industry groups. He is a recipient of the prestigious Federal 100 Award for his work applying AI and advanced analytics techniques to critical intelligence missions. In 2023, he was honored with a WashingtonExec Chief Officer Award for "Best Chief Growth Officer - Private Company."

Cubba began his career in the U.S. Air Force as a satellite systems engineer. After 10 years of active-duty service, he joined the Navy Reserve as an Intelligence Officer, where he served for over 30 years, ultimately retiring as a Captain from the U.S. Navy after 40 years of total service. He is a graduate of the Naval War College, earned an MBA from the University of Denver–Daniels College of Business, and a Bachelor of Science in Computer Information Systems from Park University. He also attended Harvard and Wharton executive education programs. 

"The people we attract and the people we keep are unique in the market. As a result, we do things that most companies only dream of, and we do them every day."
Joe Cubba - Full length

“Our steadfast commitment to the military has led to ManTech being ranked #1 for Veterans by; #2 among the Top 25 Veteran Employers in 2022 by; ranked Gold in 2022 by HIREVets Medallion large company category; and Gold as Military Friendly for 2023 in the Defense & Security category."


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