About
Mark Michalski is a board-certified radiologist working at the intersection of artificial intelligence and healthcare, with over two decades of experience across healthcare, technology, and executive roles. He currently serves as CEO of Ascertain and as Chief Information Officer at Deerfield Management, and previously held leadership positions at AWS (heading Healthcare & Life Sciences AI/ML business development), the Center for Clinical Data Science at Mass General Brigham, Butterfly Network, and Hyperfine Research, along with earlier roles at Google and Genentech. He completed his radiology residency at Yale-New Haven Hospital, earned a Bachelor's in Cybernetics from UCLA, and received his M.D. from Stanford University School of Medicine.
Invests in
AI & Machine LearningDigital HealthHealthtechMedical Devices
Experience
- Deerfield ManagementHead of Deerfield Intelligence, Chief Information Officercurrent2025 β present
- AscertainChief Executive Officercurrent2023 β present
- OptainChairman of the Board2023 β 2025
- AmazonWorldwide Healthcare & Life Sciences AI/ML2021 β 2023
- Headland Strategy GroupAI/ML and Data Science Practice Lead2020 β 2021
- Harvard Medical SchoolFaculty2016 β 2019
- Mass General Brigham AIExecutive Director2016 β 2019
- Hyperfine Research, Inc.Chief Medical Officer2014 β 2016
- Butterfly Network, Inc.President and Chief Medical Officer2013 β 2016
- Yale New Haven HospitalRadiology Resident2011 β 2015New York City Metropolitan Area
- St. Mary's Medical Center, San FranciscoMedical Intern2010 β 2011San Francisco Bay Area
- GenentechPortfolio and Pipeline Planning2009 β 2010San Francisco Bay Area
- GoogleConsultant, Life Sciences2008San Francisco Bay Area
- Asper BiogeneIntern2005Tartu, Estonia
- World Health OrganizationIntern2004Geneva, Geneva, Switzerland
Skills & more
+12 more
Medical DevicesMedical ImagingLeadershipBiotechnologyClinical TrialsData AnalysisEpidemiologyHealthcare Information Technology (HIT)Healthcare ManagementInternal MedicineLife SciencesNeuroscience- Board Certification β American Board of Radiology
- Medical License β New York State
From Mark's professional profile.
Colleagues at Aegis Ventures
Frequently asked questions
- Who is Mark Michalski?
- Mark Michalski is a board-certified radiologist working at the intersection of artificial intelligence and healthcare, with over two decades of experience across healthcare, technology, and executive roles. He currently serves as CEO of Ascertain and as Chief Information Officer at Deerfield Management, and previously held leadership positions at AWS (heading Healthcare & Life Sciences AI/ML business development), the Center for Clinical Data Science at Mass General Brigham, Butterfly Network, and Hyperfine Research, along with earlier roles at Google and Genentech. He completed his radiology residency at Yale-New Haven Hospital, earned a Bachelor's in Cybernetics from UCLA, and received his M.D. from Stanford University School of Medicine.
- Where does Mark Michalski work?
- Mark Michalski is Chief Executive Officer at Aegis Ventures.
- What does Mark Michalski invest in?
- Mark Michalski invests in AI & Machine Learning, Digital Health, Healthtech, Medical Devices.
- Where did Mark Michalski go to school?
- Mark Michalski studied at Stanford University School of Medicine (MD); Yale School of Medicine (Doctor of Philosophy - PhD, Investigative Medicine (Computer Vision)); UCLA (B.S., Cybernetics).
Founder mafias
UCLA mafia127
Also came through, then founded or led a company.
+ 120 more
Stanford University School of Medicine mafia20
Also came through, then founded or led a company.
+ 13 more
Yale School of Medicine mafia8
Also came through, then founded or led a company.
+ 1 more
Aegis Ventures mafia7
Also came through, then founded or led a company.
Same school
Also attended Stanford University School of Medicine83
+ 77 more
Also attended Yale School of Medicine33
+ 27 more
Also attended UCLA499
+ 493 more
Shared employers
Also worked at Amazon645
+ 639 more
Also worked at Harvard Medical School169
+ 163 more
Also worked at Yale New Haven Hospital6
Also worked at Google1,715
+ 1,709 more





















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