John Hiesey Net Worth (Estimated)

Who is John Hiesey?

John Hiesey is a founder associated with Vapor, which participated in Y Combinator's Summer 2011 batch.

Highlights:

• Y Combinator S11
• Vapor

About Vapor

Creating modular server side software with Swift.

Model inputs

• Stage: inactive
• Valuation tier: fallback-inactive
• Research as-of: 2026-08-04
• Funding source: https://techcrunch.com/2025/04/15/fusion-power-has-a-fuel-problem-hexium-has-a-laser-powered-solution/

FAQ: John Hiesey net worth and Vapor valuation

What is John Hiesey's net worth?

John Hiesey's estimated net worth / paper wealth is $28K (range $20K–$42K) as of 2026. Entrepreneurial Check publishes an independent model-based estimate from public company and role data.

John Hiesey net worth

John Hiesey's estimated net worth / paper wealth is $28K (range $20K–$42K) as of 2026. This John Hiesey net worth figure is estimated paper wealth, not a verified statement of assets.

How much is John Hiesey worth?

John Hiesey's estimated net worth / paper wealth is $28K (range $20K–$42K) as of 2026. How much John Hiesey is worth here means estimated paper wealth from public company and role data — not financial advice.

How rich is John Hiesey?

John Hiesey's estimated net worth / paper wealth is $28K (range $20K–$42K) as of 2026. “How rich is John Hiesey” here means estimated paper wealth from public company and role data — not verified net worth or financial advice.

John Hiesey fortune

John Hiesey's estimated net worth / paper wealth is $28K (range $20K–$42K) as of 2026. This John Hiesey fortune figure is estimated paper wealth only, not a verified statement of assets.

John Hiesey equity value

John Hiesey's estimated net worth / paper wealth is $28K (range $20K–$42K) as of 2026. John Hiesey equity value on this page is modeled paper wealth from estimated ownership — not a disclosed cap table or verified net worth.

What is Vapor valuation?

Vapor's estimated valuation on Entrepreneurial Check is $1.0M. Independent model output, not a verified appraisal or official mark.

What is Vapor post-money valuation?

Vapor's estimated valuation on Entrepreneurial Check is $1.0M. That figure is a modeled post-money mark when a public raise is available — not a verified appraisal or official mark.

What is Vapor funding?

Vapor funding, when a public raise is available, is a model input on this Entrepreneurial Check profile. How much Vapor raised is not a complete cap table — figures are estimates only.

How much did Vapor raise?

How much Vapor raised, when disclosed, informs the estimated Vapor valuation and founder paper-wealth figures on this page. Independent estimate only — not a complete cap table or financial advice.

How much money did Vapor raise?

How much money Vapor raised, when a public figure is available, is a model input for the estimated Vapor valuation on this profile. Estimates only — not a complete cap table.

What is Vapor series funding?

Vapor series funding, when a public raise is disclosed, informs the estimated Vapor valuation here. Not a complete financing history.

What company is John Hiesey building?

John Hiesey is Founder at Vapor, a Y Combinator-backed startup (batch S11).

What does Vapor do?

Vapor — In-video advertising.

What YC batch is John Hiesey from?

John Hiesey is associated with Y Combinator batch S11.

Where is John Hiesey based?

Public directory data lists John Hiesey's region as United States of America.

What industry is John Hiesey in?

John Hiesey is listed under Consumer, Social.

How big is Vapor?

Public data lists Vapor's team size as 2.

What is Vapor's status?

Vapor is listed as Inactive in public company data.

What else is notable about John Hiesey?

Y Combinator S11.

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.