General Galactic

General Galactic is a California startup founded in 2023 by Stanford graduates Luke Neise and Halen Mattison, developing systems that synthesize fuel from carbon dioxide and water using renewable power, capturing CO2, producing hydrogen via electrolysis, and combining them into methane.

El Segundo, United States Est. 2023 Startup
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Quick Facts
Country
United States
Founded
2023
Type
startup
Status
development

About General Galactic

Updated 2026-06-30

General Galactic is a California startup founded in 2023 by Stanford graduates Luke Neise and Halen Mattison, developing systems that synthesize fuel from carbon dioxide and water using renewable power, capturing CO2, producing hydrogen via electrolysis, and combining them into methane. The technology targets both terrestrial carbon-neutral fuel production and space applications, including water-based in-space propulsion and in-situ propellant generation relevant to Mars exploration. The company has built a water-powered satellite intended to demonstrate propulsion using only water as propellant.

Key People

Luke Neise (co-founder)

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Frequently asked about General Galactic

Quick answers to the questions readers most often search for.

When was General Galactic founded?
General Galactic was founded in 2023 in United States.
Where is General Galactic headquartered?
General Galactic is headquartered in El Segundo, United States.
What does General Galactic do?
General Galactic is a California startup founded in 2023 by Stanford graduates Luke Neise and Halen Mattison, developing systems that synthesize fuel from carbon dioxide and water using renewable power, capturing CO2, producing hydrogen via electrolysis, and combining them into methane. The technology targets both terr…
Is General Galactic a public or private company?
General Galactic is currently a private startup (status: development).
What sector does General Galactic operate in?
General Galactic operates in propulsion, space-technology, research.

Data Accuracy Notice: Information about General Galactic is compiled from publicly available sources including company websites, press releases, regulatory filings, and industry reports. Data is reviewed periodically but may not reflect the most recent developments.

Last updated: June 30, 2026
Company representatives may submit corrections This page does not constitute an endorsement or affiliation Learn about our data methodology