Jon Rambeau

Jon Rambeau is Chief Executive Officer of Karman Space & Defense. He leads the company in its mission to enable the success of every space and defense prime—from established industry leaders to the full spectrum of new entrants. He is committed to maintaining the company’s growth trajectory, leveraging Karman’s strong foundation of advanced technology and culture of innovation.

Rambeau was appointed CEO in March 2026 following senior leadership roles at two of the world’s top aerospace and defense contractors. Most recently, he served at L3Harris Technologies as President of the $8B Communications & Spectrum Dominance segment, where he led an extensive portfolio that included communications and networking, electronic warfare, threat sensing and targeting, and integrated vision technologies. Prior to that, he served as President of the $7B Integrated Mission Systems segment, a portfolio spanning special mission aircraft, advanced sensing systems, space avionics, and a broad surface and subsurface maritime business. While with L3Harris, Rambeau drove disruptive solutions spanning missionized aircraft, counter-drone warfare, collaborative autonomy, and unmanned maritime vessels. In delivering these capabilities, he partnered with customers, commercial firms, traditional primes and new entrants.

During his 26-year career at Lockheed Martin, Rambeau held numerous senior leadership roles across domains, platforms and customers. He was Vice President and General Manager of Integrated Warfare Systems and Sensors, where he led missile defense, radar, shipbuilding, directed energy and combat system integration programs; Vice President of C6ISR, where he managed undersea, cyber, electronic warfare and air defense systems delivery; Vice President and General Manager of Training and Logistics Solutions, where he championed new and innovative approaches for live, virtual and constructive training; Vice President for F-35 International Programs; and Vice President for Technology Transition, where he advanced cutting-edge directed energy and nanoscale material technologies from the lab into customer capabilities.

Rambeau has a proven track record of strong financial and operational performance, disruptive innovation, and strategic growth. His leadership philosophy is rooted in the power of high-performing teams and organizational alignment, consistently leveraging this approach to deliver results. He values people as the greatest asset of any organization and is inspired by his customers’ missions.

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.