Collaborator

Mach33

Mach33 is a research-driven investment firm focused on space infrastructure and deep tech, founded by Aaron Burnett. They publish investment research and back companies directly, with a portfolio that includes SpaceX and Stoke Space.

Collaboration Since 2025
Headquarters Cape Canaveral, FL
Industry Venture Capital
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Collaborative Works
Starlink & the New Frontier

Starlink & the New Frontier

Satellite broadband challenges the assumption that land value depends on proximity to cities.

Recent News
April 9, 2026 Tech Crunch

SpaceX Raptor Veteran Jeff Thornburg's Portal Space Systems Raises $50M Series A

Portal Space Systems, founded in 2021 by Jeff Thornburg (who helped develop SpaceX's Raptor engine), announced a $50M Series A at a $250M valuation. The startup is developing solar thermal propulsion — engines that concentrate sunlight to heat propellant, offering higher performance than traditional chemical or electric thrusters.

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