Space defense

Zephyr Fusion

Website

Zephyr Fusion is building the first in-orbit fusion power source: a megawatt-class reactor enabling large-scale industry in space, at a fraction of the cost of equivalent solar. Founded by former physicists from Lawrence Livermore and Oak Ridge National Laboratories, Zephyr leverages decades of fusion research to deliver a compact magnetic confi

Founded 2025Origin source ↗Checked 2026-09-15

Overview

Zephyr Fusion is building the first in-orbit fusion power source: a megawatt-class reactor enabling large-scale industry in space, at a fraction of the cost of equivalent solar.

Founded by former physicists from Lawrence Livermore and Oak Ridge National Laboratories, Zephyr leverages decades of fusion research to deliver a compact magnetic confinement system designed to take advantage of the space environment.

Company description As recorded 2026-11-08

Founders & team

Edward Hinson

Founder

Cofounder of Zephyr Fusion, an in-orbit fusion power company. 20+ years in mathematical modeling and experimental plasma physics. Former scientist at Oak Ridge National Lab and UW-Madison. PhD in Nuclear Engineering and Engineering Physics.

Founder profile As recorded 2026-09-15

Galen Burke

Founder

Co-founder of Zephyr fusion, an in-orbit fusion power company. 15+ years in cutting edge diagnostics and plasma physics. Former scientist at Lawrence Livermore National Laboratory and the University of Wisconsin-Madison. PhD in Nuclear Engineering and Engineering Physics.

Founder profile As recorded 2026-09-15
2team members reported
Source-reported As recorded 2026-09-15

Founded 2025 · Source

News & product activity

Sources & observations

Y Combinator

Profile depthverified profile
Website observationwebsite reachable
Last website check2026-11-11
Location · source statedSan Diego, CA, USA
Pricing evidenceNo pricing page confirmed
Maturity: Not assessed · 3 of 6 areas documented

Source-based assessment · automated evidence rules

The retained text does not establish product availability or customer use.

Maturity is an evidence-based assessment, not a success rating. It may understate the current stage where evidence is limited. Coverage records documented areas, not a complete or independently audited company history.

Stage definitions
independent websitesource corroborationreachable websitedescriptive evidenceclassified market and modelsourced peoplesourced founding year