EntrepreneurialCheck
Martin Willemink estimated net worth profile

Martin Willemink net worth

Martin Willemink Net Worth 2026 (Estimated) · Co-founder at Segmed · YC W20
est. wealth $4.69M

Quick answer

Martin Willemink's estimated net worth is $4.69M (range $3.28M – $7.04M) as of 2026. Martin Willemink is Co-founder at Segmed. Segmed valuation.

Martin Willemink is Co-founder at Segmed (YC W20). Independent Entrepreneurial Check model estimate from public YC data.

At a glance

NameMartin Willemink
RoleCo-founder
CompanySegmed
YC batchW20
Est. company val$67.0M
Assumed ownership7%
Est. paper wealth / net worth$4.69M
$3.28M – $7.04M
  • Company status: Active
  • Region: United States of America
  • Industries: Healthcare, Diagnostics
  • Team size: 32
  • Website: https://segmed.ai

Who is Martin Willemink?

Martin Willemink is a founder at Segmed, which was part of Y Combinator's Winter 2020 batch.

Highlights:

  • Y Combinator W20
  • Segmed

About Segmed

Segmed provides at-scale access to novel clinical data globally, offering millions of diagnostic-grade medical images to accelerate innovation and mature the evidence needs of life sciences and technology industry. ‍ Our solutions allow you to access a Real World Data (RWD) network to facilitate rapid discovery and investigational capability of imaging data, development of early disease detection & prediction...

FAQ: Martin Willemink net worth and Segmed valuation

What is Martin Willemink's net worth?

Martin Willemink's estimated net worth is $4.69M (range $3.28M – $7.04M) as of 2026. Martin Willemink is Co-founder at Segmed. 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 Segmed valuation?

Segmed's estimated valuation on Entrepreneurial Check is $67.0M. 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 Martin Willemink's role?

Martin Willemink is Co-founder at Segmed, a Y Combinator-backed startup (batch W20).