Karman Space & Defense (NYSE: KRMN) announced Jon Rambeau will become chief executive officer effective March 23, 2026, replacing Tony Koblinski who will retire from his management role but continue as a director.

Rambeau previously served as president of the $8 billion Communications & Spectrum Dominance segment at L3Harris Technologies. He spent more than 25 years at Lockheed Martin in various senior executive roles before joining L3Harris.

At L3Harris, Rambeau led a portfolio including electronic warfare, advanced communications, threat sensing and targeting, and integrated vision systems. He also served as president of the $7 billion Integrated Mission Systems segment.

During his tenure at Lockheed Martin, Rambeau held positions including Vice President and General Manager of Integrated Warfare Systems and Sensors, Vice President of C6ISR, and Vice President and General Manager of Training and Logistics Solutions.

"The Board conducted a rigorous search for a CEO who can lead Karman through this next period of significant growth," said David Stinnett, chairman of Karman's board of directors.

Koblinski led Karman since its founding in 2020 through its initial public offering and four acquisitions. The company now serves more than 80 customers across space and defense markets.

Rambeau holds a Bachelor of Science degree in mechanical engineering from Drexel University and a Master of Science in technology management from the Wharton School and the University of Pennsylvania's College of Engineering and Applied Science.

Karman Space & Defense designs, develops and produces system solutions for the U.S. Department of Defense and commercial space customers from its headquarters in Huntington Beach, California.