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Zephyr Fusion

YC F25

San Diego, US · Founded 2025 · 2 employees · 17 known investors

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Zephyr Fusion develops compact, in-orbit fusion power systems for space-based applications including microgravity manufacturing, data centers, defense, propulsion, and human habitation. The company leverages fusion technology to provide megawatt-class power generation for space industry customers.

Advanced ManufacturingDeep TechEnergySpace TechFusion EnergyHard TechSatellitesAerospaceUnited States of AmericaAmerica / Canada

Founders & leadership· Y Combinator alumni (F25)

Zephyr Fusion was founded in 2025 by Edward Hinson and Galen Burke.

EHEdward Hinson
Edward HinsonCo-FounderHe has over two decades of experience in mathematical modeling and experimental plasma physics, with prior positions at Oak Ridge National Laboratory and the University of Wisconsin–Madison. He holds a PhD in Nuclear Engineering and Engineering Physics.
GBGalen Burke
Galen BurkeCo-FounderHe has over 15 years of experience in diagnostics and plasma physics, previously working as a scientist at Lawrence Livermore National Laboratory and the University of Wisconsin-Madison, and holds a PhD in Nuclear Engineering and Engineering Physics.
GB
Galen Burke Edward HinsonFounder

Investors · 17

Pioneerlisted by PioneerToronto, Ontario

How we know: Y Combinator's founder network · pioneerfund.vc · open dataset · 5k.vc investor directory · Not right? Tell us

Sterling Roadlisted by Sterling RoadSan Francisco · $25K – $150K

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Y Combinatorlisted by Y CombinatorSan Francisco · $500K

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ZAKA VClisted by ZAKA VCSan Francisco

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Asymmetry VenturesreportedRichmond · $125K – $500K

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Blast.Clubreported$5.5M

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Buckley Ventures Management Company LlcreportedNew York · $300K

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Capitoriareported

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Founder CapitalreportedSilicon Valley · $25K – $100K

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HYPERNOVAreportedSan Francisco

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Mergus VenturesreportedSão Paulo · $100K – $1M

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MyAsiaVCreportedSeattle

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Spot VCreportedNewark

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Syntax Capitalreported

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Tekedia CapitalreportedLagos · $1K

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Unpopular VenturesreportedMiami · $100K – $500K

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Related companies · 9

Pacific FusionPacific Fusion is developing a high-gain pulsed magnetic inertial fusion system designed to achieve net facility gain, using a modular fast electric pulser, a meter-scale fusion chamber, and small fuel containers. The company aims to produce affordable, on-demand fusion power to meet global energy demand and address climate change.
Maritime FusionMaritime Fusion designs and builds zero-emission fusion reactors for deployment in maritime transport and remote energy installations. The company aims to use these off-grid applications as a pathway to develop cost-competitive grid-scale fusion reactors.
SoundCloudAudio distribution and music-sharing platform for artists and creators.
Helion EnergyHelion develops fusion energy systems designed to generate clean electricity for commercial use. The company builds pulsed magnetic fusion prototypes with applications for industrial and commercial electricity generation.
ElodinElodin provides a cloud-based simulation platform for building autonomous systems, targeting developers and engineers creating satellites, drones, and robots. The company aims to make advanced autonomy tooling accessible and affordable to innovators in aerospace and robotics.
FFuse Energy develops fusion energy technology, with work spanning hardened electronics and radiation testing (HEART) and recycling of radioactive waste, aiming to provide an on-demand clean energy source. It brings together a team across engineering, fusion science, energy policy, and manufacturing.
AlbedoAlbedo develops a flight-proven platform for Very Low Earth Orbit operations, providing satellite-based insights and connectivity services for national security and critical infrastructure systems. The company focuses on making space infrastructure operationally viable and resilient.
InertiaInertia develops laser systems and fuel targets for inertial confinement fusion power generation. The company aims to commercialize fusion energy technology for grid-scale electricity production.
WardstoneWardstone designs and plans to deploy a constellation of satellites equipped with sensors and kinetic interceptors to detect, predict, and counter hypersonic and ballistic missiles for U.S. military defense agencies. The system, called the Golden Dome, is intended to provide global missile defense capabilities across multiple domains of conflict for the Space Force, Air Force, Navy, and Missile Defense Agency.

Companies working in the same space as Zephyr Fusion.

Legal entities · 1

corporate structure
Zephyr Fusion, Inc.

In the news

Zephyr Fusion: In-orbit fusion powerycombinator.com · Nov 2025Zephyr Fusion Funding: $1M | Complete Analysis | Extruct AIextruct.ai

Frequently asked questions

What does Zephyr Fusion do?
Zephyr Fusion develops compact, in-orbit fusion power systems for space-based applications including microgravity manufacturing, data centers, defense, propulsion, and human habitation. The company leverages fusion technology to provide megawatt-class power generation for space industry customers.
Who founded Zephyr Fusion?
Zephyr Fusion was founded by Edward Hinson, Galen Burke in 2025.
Who are Zephyr Fusion's investors?
Zephyr Fusion's investors include Alumni Ventures, Pioneer, Sterling Road, Y Combinator, ZAKA VC, Asymmetry Ventures, Blast.Club, Buckley Ventures Management Company Llc and 9 more.
Where is Zephyr Fusion headquartered?
Zephyr Fusion is headquartered in San Diego, US.