David Kirtley Net Worth (Estimated)
CEO at Helion Energy · YC S14
Quick answer
David Kirtley's estimated net worth / paper wealth is $1.1B (range $740.5M–$1.6B) as of 2026.
David Kirtley is CEO at Helion Energy (YC S14). Independent Entrepreneurial Check model estimate from public YC data.
At a glance
- Company status: Active
- Education: Stanford University
- Region: United States of America
- Industries: Industrials, Energy
- Team size: 150
- Website: http://helionenergy.com
Who is David Kirtley?
David Kirtley is a founder of Helion Energy, a company focused on developing nuclear fusion technology. He was previously associated with Y Combinator's S14 batch.
Highlights:
- Stanford University
- Y Combinator S14
- Helion Energy
About Helion Energy
Helion is creating the world’s first fusion power plant, enabling a future with unlimited zero-carbon electricity.
Model inputs
- Stage: series-g
- Valuation tier: reported-valuation
- Funding input: reported raise $465.0M
- Current valuation input: $15.5B
- Valuation note: Lock first-party $465M Series G at $15.5B. Do not lock the $1.5B cumulative.
- Research as-of: 2026-09-14
- Funding source: https://www.helionenergy.com/newsroom/helion-raises-465-million-series-g-funding-round-to-meet-surging-global-demand-for-power
FAQ: David Kirtley net worth and Helion Energy valuation
What is David Kirtley's net worth?
David Kirtley's estimated net worth / paper wealth is $1.1B (range $740.5M–$1.6B) as of 2026. Entrepreneurial Check publishes an independent model-based estimate from public company and role data.
David Kirtley net worth
David Kirtley's estimated net worth / paper wealth is $1.1B (range $740.5M–$1.6B) as of 2026. This David Kirtley net worth figure is estimated paper wealth, not a verified statement of assets.
How much is David Kirtley worth?
David Kirtley's estimated net worth / paper wealth is $1.1B (range $740.5M–$1.6B) as of 2026. How much David Kirtley is worth here means estimated paper wealth from public company and role data — not financial advice.
How rich is David Kirtley?
David Kirtley's estimated net worth / paper wealth is $1.1B (range $740.5M–$1.6B) as of 2026. “How rich is David Kirtley” here means estimated paper wealth from public company and role data — not verified net worth or financial advice.
David Kirtley fortune
David Kirtley's estimated net worth / paper wealth is $1.1B (range $740.5M–$1.6B) as of 2026. This David Kirtley fortune figure is estimated paper wealth only, not a verified statement of assets.
David Kirtley equity value
David Kirtley's estimated net worth / paper wealth is $1.1B (range $740.5M–$1.6B) as of 2026. David Kirtley equity value on this page is modeled paper wealth from estimated ownership — not a disclosed cap table or verified net worth.
What is Helion Energy valuation?
Helion Energy's estimated valuation on Entrepreneurial Check is $15.5B. Independent model output, not a verified appraisal or official mark.
What is Helion Energy post-money valuation?
Helion Energy's estimated valuation on Entrepreneurial Check is $15.5B. That figure is a modeled post-money mark when a public raise is available — not a verified appraisal or official mark.
What is Helion Energy CEO net worth?
David Kirtley is listed as CEO at Helion Energy. David Kirtley's estimated net worth / paper wealth is $1.1B (range $740.5M–$1.6B) as of 2026. This Helion Energy CEO net worth figure is an independent paper-wealth estimate, not verified net worth.
What is Helion Energy funding?
Helion Energy funding, when a public raise is available, is a model input on this Entrepreneurial Check profile. How much Helion Energy raised is not a complete cap table — figures are estimates only.
How much did Helion Energy raise?
How much Helion Energy raised, when disclosed, informs the estimated Helion Energy valuation and founder paper-wealth figures on this page. Independent estimate only — not a complete cap table or financial advice.
How much money did Helion Energy raise?
How much money Helion Energy raised, when a public figure is available, is a model input for the estimated Helion Energy valuation on this profile. Estimates only — not a complete cap table.
What is Helion Energy series funding?
Helion Energy series funding, when a public raise is disclosed, informs the estimated Helion Energy valuation here. Not a complete financing history.
What company is David Kirtley building?
David Kirtley is CEO at Helion Energy, a Y Combinator-backed startup (batch S14).
What does Helion Energy do?
Helion Energy — Building the world's first fusion power plant
What YC batch is David Kirtley from?
David Kirtley is associated with Y Combinator batch S14.
Where did David Kirtley go to school?
Public profiles associate David Kirtley with Stanford University.
What other companies is David Kirtley connected to?
Public associations for David Kirtley include Helion Energy, Y Combinator.
Where is David Kirtley based?
Public directory data lists David Kirtley's region as United States of America.
What industry is David Kirtley in?
David Kirtley is listed under Industrials, Energy.
How big is Helion Energy?
Public data lists Helion Energy's team size as 150.
What else is notable about David Kirtley?
Stanford University.
Is Entrepreneurial Check affiliated with Y Combinator?
No. Entrepreneurial Check is an independent informational site and is not affiliated with, endorsed by, or sponsored by Y Combinator or the profiled companies.