Cyriel Notteboom Net Worth (Estimated)
Founder at Radical · YC W23
Quick answer
Cyriel Notteboom's estimated net worth / paper wealth is $10.0M (range $7.0M–$15.0M) as of 2026.
Cyriel Notteboom is Founder at Radical (YC W23). Independent Entrepreneurial Check model estimate from public YC data.
At a glance
- Company status: Active
- Region: United States of America
- Industries: Industrials, Aviation and Space
- Team size: 6
- Website: https://www.radicalaero.com/
Who is Cyriel Notteboom?
Cyriel Notteboom is a founder involved in the startup Radical. He participated in Y Combinator's Winter 2023 batch.
Highlights:
- Y Combinator W23
- Radical
About Radical
Radical’s StratoSats are autonomous platforms that provide satellite-like services on demand. They fly within Earth’s atmosphere to provide persistent, high performance infrastructure across applications in earth observation, connectivity, and more. Unlike satellites, StratoSats navigate freely without the need for rocket launches or orbits - reducing costs, increasing flexibility, and ensuring customers get the...
Model inputs
- Stage: seed
- Valuation tier: fallback-seed
- Research as-of: 2026-08-04
- Funding source: https://techstartups.com/2025/07/22/top-10-startup-and-tech-funding-news-july-22-2025/
FAQ: Cyriel Notteboom net worth and Radical valuation
What is Cyriel Notteboom's net worth?
Cyriel Notteboom's estimated net worth / paper wealth is $10.0M (range $7.0M–$15.0M) as of 2026. Entrepreneurial Check publishes an independent model-based estimate from public company and role data.
Cyriel Notteboom net worth
Cyriel Notteboom's estimated net worth / paper wealth is $10.0M (range $7.0M–$15.0M) as of 2026. This Cyriel Notteboom net worth figure is estimated paper wealth, not a verified statement of assets.
How much is Cyriel Notteboom worth?
Cyriel Notteboom's estimated net worth / paper wealth is $10.0M (range $7.0M–$15.0M) as of 2026. How much Cyriel Notteboom is worth here means estimated paper wealth from public company and role data — not financial advice.
How rich is Cyriel Notteboom?
Cyriel Notteboom's estimated net worth / paper wealth is $10.0M (range $7.0M–$15.0M) as of 2026. “How rich is Cyriel Notteboom” here means estimated paper wealth from public company and role data — not verified net worth or financial advice.
Cyriel Notteboom fortune
Cyriel Notteboom's estimated net worth / paper wealth is $10.0M (range $7.0M–$15.0M) as of 2026. This Cyriel Notteboom fortune figure is estimated paper wealth only, not a verified statement of assets.
Cyriel Notteboom equity value
Cyriel Notteboom's estimated net worth / paper wealth is $10.0M (range $7.0M–$15.0M) as of 2026. Cyriel Notteboom equity value on this page is modeled paper wealth from estimated ownership — not a disclosed cap table or verified net worth.
What is Radical valuation?
Radical's estimated valuation on Entrepreneurial Check is $20.0M. Independent model output, not a verified appraisal or official mark.
What is Radical post-money valuation?
Radical'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 Radical funding?
Radical funding, when a public raise is available, is a model input on this Entrepreneurial Check profile. How much Radical raised is not a complete cap table — figures are estimates only.
How much did Radical raise?
How much Radical raised, when disclosed, informs the estimated Radical valuation and founder paper-wealth figures on this page. Independent estimate only — not a complete cap table or financial advice.
How much money did Radical raise?
How much money Radical raised, when a public figure is available, is a model input for the estimated Radical valuation on this profile. Estimates only — not a complete cap table.
What is Radical series funding?
Radical series funding, when a public raise is disclosed, informs the estimated Radical valuation here. Not a complete financing history.
What company is Cyriel Notteboom building?
Cyriel Notteboom is Founder at Radical, a Y Combinator-backed startup (batch W23).
What does Radical do?
Radical — Building persistent, high-performance infrastructure in the sky
What YC batch is Cyriel Notteboom from?
Cyriel Notteboom is associated with Y Combinator batch W23.
Where is Cyriel Notteboom based?
Public directory data lists Cyriel Notteboom's region as United States of America.
What industry is Cyriel Notteboom in?
Cyriel Notteboom is listed under Industrials, Aviation and Space.
How big is Radical?
Public data lists Radical's team size as 6.
What else is notable about Cyriel Notteboom?
Y Combinator W23.
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.