Justin Cohen net worth
Quick answer
Justin Cohen's estimated net worth is $22.5M (range $15.75M – $33.75M) as of 2026. Justin Cohen is Founder at Maritime Fusion. Maritime Fusion valuation.
Justin Cohen is Founder at Maritime Fusion (YC W25). Independent Entrepreneurial Check model estimate from public YC data.
At a glance
- Company status: Active
- Education: Bachelor's degree from University of Pennsylvania
- Region: United States of America
- Industries: Industrials, Energy
- Team size: 6
- Website: https://maritimefusion.com
Who is Justin Cohen?
Justin Cohen is a founder of Maritime Fusion, a startup showcased in Y Combinator's Winter 2025 batch.
Highlights:
- University of Pennsylvania
- Y Combinator
About Maritime Fusion
Maritime Fusion is building fusion reactors for ships and off grid energy markets. En route on this endeavor we’re commercializing High Temperature Superconducting (HTS) cable technology for power distribution while advancing the physics basis of our HTS tokamak to decarbonize global shipping.
Breakeven fusion is coming soon, but the first-of-a-kind (FOAK) reactors will be costly, high maintenance, and have low...
FAQ: Justin Cohen net worth and Maritime Fusion valuation
What is Justin Cohen's net worth?
Justin Cohen's estimated net worth is $22.5M (range $15.75M – $33.75M) as of 2026. Justin Cohen is Founder at Maritime Fusion. Entrepreneurial Check publishes an independent model-based estimate from public company and role data. Not verified net worth, and Entrepreneurial Check is not affiliated with Y Combinator or the profiled companies.
What is Maritime Fusion valuation?
Maritime Fusion's estimated valuation on Entrepreneurial Check is $45.0M. That valuation, or a disclosed round when one is public, is the source for the paper-wealth estimate. Independent model output — not a verified appraisal or official mark.
What is Justin Cohen's role?
Justin Cohen is Founder at Maritime Fusion, a Y Combinator-backed startup (batch W25).