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Martin Willemink

Founder

Co-founder at Segmed

San Diego, California, United States

FoundedSegmed · YC

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About

Martin Willemink is co-founder and CEO of Segmed, which provides structured, de-identified medical imaging data and multimodal datasets to support AI and healthcare research.

Co-founder at SegmedYC W20

Intro paths

YC

Martin went through Y Combinator (Winter 2020) — any YC alum in your network can reach them through the YC community.

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In turn, Martin can intro founders to Segmed's investors below.

Segmed's investors · 10

Alchemist AcceleratorSan Francisco · $30K checks · since 2023Blumberg CapitalMiami · $500K – $5M checks · since 2022ExpeditionsWarsaw · since 2022iGan PartnersToronto · $365K – $2.2M checks · since 2024Mighty CapitalSan Francisco · since 2022Nina CapitalBarcelona · $215K – $1.6M checks · since 2022Nova Capital ManagementLondon · $50M – $500M checksNovaCapitalsince 2022South Quadsince 2022Y CombinatorSan Francisco · $500K checks · since 2020

Co-founders at Segmed

JWJie Wu
Jie WuFounder
MJ
Marinus Johannes WilleminkExecutive Officer, Director
WAWojciech Adam Koszek
Wojciech Adam KoszekExecutive Officer, Director
CHCailin Hardell
Cailin HardellFounder
CKCailin Kramer
Cailin KramerFounder

Experience

  1. Segmed, Inc.Co-Founder & Chief Scientific Officercurrent2025 — presentSan Diego, California, United States
  2. Segmed, Inc.Co-Founder & CEO2022 — 2025San Diego, California, United States
  3. Segmed, Inc.Co-Founder2019 — 2022Mountain View, California, United States
  4. European Society of RadiologyJunior Deputy Editor (European Radiology)current2019 — presentVienna, Austria
  5. Stanford University School of MedicineInstructor (Junior Faculty)2019 — 2022San Francisco Bay Area
  6. Stanford University School of MedicinePostdoctoral Researcher2017 — 2019San Francisco Bay Area
  7. ArterysConsultant2018 — 2019San Francisco Bay Area
  8. UMC UtrechtRadiology Resident2015 — 2017Utrecht Area, Netherlands
  9. UMC UtrechtPhD Student2012 — 2015Utrecht Area, Netherlands
  10. PhilipsSpeaker Bureau Lecturer2014 — 2016Eindhoven Area, Netherlands
  11. The Mount Sinai HospitalFulbright Scholar2014 — 2015New York, The United States
  12. Mastin DesignFounder & UI Designer2005 — 2009

Skills & more

Medicine25Medical Imaging26Graphic Design8Research25Public Relations3Photography2Life Sciences3English7Management1Clinical Research11Healthcare1Radiology1
+12 moreRSPSSScienceBiomedical EngineeringMedical DevicesComputed TomographyEntrepreneurshipStatisticsLeadershipBusiness DevelopmentMachine LearningData Analysis
  • SIIM - Hackathon 2022 Winner — Society for Imaging Informatics in Medicine (SIIM)
  • Introduction to Marketing — The Wharton School
  • Good Clinical Practice (GCP) — Stanford University
  • Verified Peer Reviewer — Publons
  • Fellow of the Society of Cardiovascular Computed Tomography (FSCCT) — Society of Cardiovascular Computed Tomography

From Martin's professional profile.

Frequently asked questions

Who is Martin Willemink?
Martin Willemink is co-founder and CEO of Segmed, which provides structured, de-identified medical imaging data and multimodal datasets to support AI and healthcare research.
Where does Martin Willemink work?
Martin Willemink is Co-founder of Segmed.
What companies did Martin Willemink found?
Martin Willemink founded Segmed.
Where did Martin Willemink go to school?
Martin Willemink studied at Y Combinator (W20); Stanford University Graduate School of Business (Stanford Ignite Winter 2019, Business Administration and Management); Utrecht University (Doctor of Philosophy (PhD), Medical Imaging).

Founder mafias

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