EntrepreneurialCheck
Ethan Fast estimated net worth profile

Ethan Fast Net Worth (Estimated)

Founder at Proxino · YC S11

est. wealth $28K

Quick answer

Ethan Fast's estimated net worth / paper wealth is $28K (range $20K–$42K) as of 2026.

Ethan Fast is Founder at Proxino (YC S11). Independent Entrepreneurial Check model estimate from public YC data.

At a glance

NameEthan Fast
RoleFounder
CompanyProxino
YC batchS11
Est. company val$1.0M
Assumed ownership3%
Est. paper wealth / net worth$28K
$20K – $42K
  • Company status: Inactive
  • Education: Stanford University
  • Region: United States of America
  • Industries: B2B, Infrastructure
  • Website: http://proxino.com

Who is Ethan Fast?

Ethan Fast is a founder noted for his involvement with Proxino, which was part of Y Combinator's S11 batch.

Highlights:

  • Stanford University
  • Y Combinator S11
  • Proxino

About Proxino

Proxino is a cloud platform for monitoring and debugging client-side JavaScript.

Model inputs

  • Stage: inactive
  • Valuation tier: fallback-inactive
  • Valuation note: no_discovery_sources
  • Research as-of: 2026-08-04
  • Funding input: no public raise amount found; stage fallback valuation

FAQ: Ethan Fast net worth and Proxino valuation

What is Ethan Fast's net worth?

Ethan Fast'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.

Ethan Fast net worth

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

How much is Ethan Fast worth?

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

How rich is Ethan Fast?

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

Ethan Fast fortune

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

Ethan Fast equity value

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

What is Proxino valuation?

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

What is Proxino post-money valuation?

Proxino'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 Proxino funding?

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

How much did Proxino raise?

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

How much money did Proxino raise?

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

What is Proxino series funding?

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

What company is Ethan Fast building?

Ethan Fast is Founder at Proxino, a Y Combinator-backed startup (batch S11).

What does Proxino do?

Proxino — Javascript proxy.

What YC batch is Ethan Fast from?

Ethan Fast is associated with Y Combinator batch S11.

Where did Ethan Fast go to school?

Public profiles associate Ethan Fast with Stanford University.

Where is Ethan Fast based?

Public directory data lists Ethan Fast's region as United States of America.

What industry is Ethan Fast in?

Ethan Fast is listed under B2B, Infrastructure.

What is Proxino's status?

Proxino is listed as Inactive in public company data.

What else is notable about Ethan Fast?

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.