John Slough net worth
Quick answer
John Slough's estimated net worth is $651.0M (range $455.7M – $976.5M) as of 2026. John Slough is Founder at Helion Energy. Helion Energy valuation.
John Slough is Founder at Helion Energy (YC S14). Independent Entrepreneurial Check model estimate from public YC data.
At a glance
- Company status: Active
- Education: University of Washington
- Region: United States of America
- Industries: Industrials, Energy
- Team size: 150
- Website: http://helionenergy.com
Who is John Slough?
John Slough is a founder of Helion Energy, which focuses on developing fusion energy technology.
Highlights:
- University of Washington
- NASA
- U.S. Department of Energy
About Helion Energy
Helion is creating the world’s first fusion power plant, enabling a future with unlimited zero-carbon electricity.
FAQ: John Slough net worth and Helion Energy valuation
What is John Slough's net worth?
John Slough's estimated net worth is $651.0M (range $455.7M – $976.5M) as of 2026. John Slough is Founder at Helion Energy. 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 Helion Energy valuation?
Helion Energy's estimated valuation on Entrepreneurial Check is $15.5B. 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 John Slough's role?
John Slough is Founder at Helion Energy, a Y Combinator-backed startup (batch S14).