Ruben Fiszel Net Worth (Estimated)
Founder at Windmill · YC S22
Quick answer
Ruben Fiszel's estimated net worth / paper wealth is $20.0M (range $14.0M–$30.0M) as of 2026.
Ruben Fiszel is Founder at Windmill (YC S22). Independent Entrepreneurial Check model estimate from public YC data.
At a glance
- Company status: Active
- Region: France
- Industries: B2B, Infrastructure
- Team size: 7
- Website: https://windmill.dev
Who is Ruben Fiszel?
Ruben Fiszel is a founder associated with Windmill, an organization that participated in Y Combinator's Summer 2022 batch.
About Windmill
Windmill is an open-source developer platform that turns scripts into workflows, internal tools, and full-stack apps.
Write scripts in Python, TypeScript, Go, Bash, Rust, SQL - Windmill auto-generates UIs from their parameters, handles dependencies, credentials, permissions, and scheduling so you focus on business logic, not infra.
Open-source alternative to Airflow, Temporal, Retool and n8n. Chain scripts into...
Model inputs
- Stage: seed
- Valuation tier: fallback-seed
- Valuation note: no_discovery_sources
- Research as-of: 2026-08-04
- Funding input: no public raise amount found; stage fallback valuation
FAQ: Ruben Fiszel net worth and Windmill valuation
What is Ruben Fiszel's net worth?
Ruben Fiszel's estimated net worth / paper wealth is $20.0M (range $14.0M–$30.0M) as of 2026. Entrepreneurial Check publishes an independent model-based estimate from public company and role data.
Ruben Fiszel net worth
Ruben Fiszel's estimated net worth / paper wealth is $20.0M (range $14.0M–$30.0M) as of 2026. This Ruben Fiszel net worth figure is estimated paper wealth, not a verified statement of assets.
How much is Ruben Fiszel worth?
Ruben Fiszel's estimated net worth / paper wealth is $20.0M (range $14.0M–$30.0M) as of 2026. How much Ruben Fiszel is worth here means estimated paper wealth from public company and role data — not financial advice.
How rich is Ruben Fiszel?
Ruben Fiszel's estimated net worth / paper wealth is $20.0M (range $14.0M–$30.0M) as of 2026. “How rich is Ruben Fiszel” here means estimated paper wealth from public company and role data — not verified net worth or financial advice.
Ruben Fiszel fortune
Ruben Fiszel's estimated net worth / paper wealth is $20.0M (range $14.0M–$30.0M) as of 2026. This Ruben Fiszel fortune figure is estimated paper wealth only, not a verified statement of assets.
Ruben Fiszel equity value
Ruben Fiszel's estimated net worth / paper wealth is $20.0M (range $14.0M–$30.0M) as of 2026. Ruben Fiszel equity value on this page is modeled paper wealth from estimated ownership — not a disclosed cap table or verified net worth.
What is Windmill valuation?
Windmill's estimated valuation on Entrepreneurial Check is $20.0M. Independent model output, not a verified appraisal or official mark.
What is Windmill post-money valuation?
Windmill's estimated valuation on Entrepreneurial Check is $20.0M. That figure is a modeled post-money mark when a public raise is available — not a verified appraisal or official mark.
What is Windmill funding?
Windmill funding, when a public raise is available, is a model input on this Entrepreneurial Check profile. How much Windmill raised is not a complete cap table — figures are estimates only.
How much did Windmill raise?
How much Windmill raised, when disclosed, informs the estimated Windmill valuation and founder paper-wealth figures on this page. Independent estimate only — not a complete cap table or financial advice.
How much money did Windmill raise?
How much money Windmill raised, when a public figure is available, is a model input for the estimated Windmill valuation on this profile. Estimates only — not a complete cap table.
What is Windmill series funding?
Windmill series funding, when a public raise is disclosed, informs the estimated Windmill valuation here. Not a complete financing history.
What company is Ruben Fiszel building?
Ruben Fiszel is Founder at Windmill, a Y Combinator-backed startup (batch S22).
What does Windmill do?
Windmill — Open-source platform to turn scripts into internal apps & workflows
What YC batch is Ruben Fiszel from?
Ruben Fiszel is associated with Y Combinator batch S22.
Where is Ruben Fiszel based?
Public directory data lists Ruben Fiszel's region as France.
What industry is Ruben Fiszel in?
Ruben Fiszel is listed under B2B, Infrastructure.
How big is Windmill?
Public data lists Windmill's team size as 7.
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.