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About
Benjamin Longmier is co-founder and CEO of Ambrosia Energy, which develops, manufactures, owns, and operates solar-plus-battery power plants designed to deliver continuous power on accelerated timelines. He previously co-founded Swarm Technologies, acquired by SpaceX in 2021, and helped start and co-lead Starlink Mobile at SpaceX. Ambrosia says he contributed to 660 Starlink Mobile satellites and developed an argon Hall-effect thruster now flying on more than 7,000 satellites. He was previously a NASA postdoctoral fellow and University of Michigan professor.
Previous roles
- Co-Founder and CTO at Swarm Technologies
- Senior Director of Satellite Engineering at SpaceX
- Founder and CEO of Aether Industries
- Assistant Professor of Aerospace Engineering at the University of Michigan
- Postdoctoral Fellow at NASA
Notable work
- Co-founded Swarm Technologies and helped build its constellation of hundreds of small IoT satellites; SpaceX acquired the company in 2021.
- Helped start and co-led Starlink Mobile at SpaceX, contributing to the design and deployment of 660 satellites for direct-to-phone connectivity.
- Developed an argon Hall-effect thruster that Ambrosia Energy reports is flying on more than 7,000 satellites.
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