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John Slough: Profile, Experience & Investments | Startup Intros

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JOHN SLOUGH

Co-Founder at Helion Energy

Updated: Mar 25, 2026 ·

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Quick Facts

Role: Co-Founder
Company: Helion Energy
Status: Active
Type: Founder

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Recent News & Mentions

Jan 1, 2025FundingHelion Energy - Series F Nov 1, 2021FundingHelion Energy - Series E Sep 1, 2020FundingHelion Energy - Series D Aug 14, 2014FundingHelion Energy - Other Equity

Aug 1, 2014FundingHelion Energy - Seed

Experience

Co-FounderFounderCurrent

Present - Present

Frequently Asked Questions

Who is John Slough?

John Slough is Co-Founder at Helion Energy.

What companies has John Slough founded?

John Slough co-founded Helion Energy.