EntrepreneurialCheck
Leo Sierek estimated net worth profile

Leo Sierek net worth

Leo Sierek Net Worth 2026 (Estimated) · Founder at Claimspotting · YC S08
est. wealth $14K

Quick answer

Leo Sierek's estimated net worth is $14K (range $10K – $21K) as of 2026. Leo Sierek is Founder at Claimspotting. Claimspotting valuation.

Leo Sierek is Founder at Claimspotting (YC S08). Independent Entrepreneurial Check model estimate from public YC data.

At a glance

NameLeo Sierek
RoleFounder
CompanyClaimspotting
YC batchS08
Est. company val$1.0M
Assumed ownership1.4%
Est. paper wealth / net worth$14K
$10K – $21K

Who is Leo Sierek?

Leo Sierek is a participant in Y Combinator's Summer 2008 batch with his startup Claimspotting.

Highlights:

  • Y Combinator S08
  • Claimspotting

About Claimspotting

Claim and conquer your city

FAQ: Leo Sierek net worth and Claimspotting valuation

What is Leo Sierek's net worth?

Leo Sierek's estimated net worth is $14K (range $10K – $21K) as of 2026. Leo Sierek is Founder at Claimspotting. Entrepreneurial Check publishes an independent model-based estimate from public company and role data. Not verified net worth, and Entrepreneurial Check is not affiliated with Y Combinator or the profiled companies.

What is Claimspotting valuation?

Claimspotting's estimated valuation on Entrepreneurial Check is $1.0M. That valuation, or a disclosed round when one is public, is the source for the paper-wealth estimate. Independent model output — not a verified appraisal or official mark.

What is Leo Sierek's role?

Leo Sierek is Founder at Claimspotting, a Y Combinator-backed startup (batch S08).