The Signal Index
Top 100 HealthTech Influencers
The clinicians, founders, investors and researchers shaping how healthcare thinks about technology, ranked by a transparent Influence Score.
Last updated 2026-08-24
How the Influence Score works
Reach25%
Audience size across LinkedIn, X, YouTube, podcasts and newsletters.
Engagement20%
How much the audience actually reacts, comments, shares and subscribes.
Credibility25%
Clinical, research, operating or investing track record behind the commentary.
Consistency15%
Publishing cadence and how reliably they show up with original work.
Industry impact15%
Whether decision makers, policy and capital actually move on what they say.
Scores are compiled by our research desk from public profiles, published work, speaking records and audience signals, then refreshed daily. Figures are estimates; if something looks wrong, .
#NameCategoryPlatformsScore
- 1
Eric TopolFounder and Director, Scripps Research Translational InstituteClinician voices • United States • Score 97.2Clinician voicesX, Substack, LinkedIn97.2 - 2
Fei-Fei LiCo-Director of Human-Centered AI Institute, Stanford UniversityAI & data science • United States • Score 94.9AI & data scienceLinkedIn, X94.9 - 3
Atul GawandeAssistant Administrator for Global Health, USAIDClinician voices • United States • Score 94.5Clinician voicesX, LinkedIn94.5 - 4
Leana WenClinical Associate Professor, George Washington UniversityClinician voices • United States • Score 94.4Clinician voicesX, LinkedIn, Newsletter94.4 - 5
Ashish JhaDean, Brown University School of Public HealthClinician voices • United States • Score 93.7Clinician voicesX, LinkedIn, Podcast93.7 - 6
Siddhartha MukherjeeAssociate Professor of Medicine, Columbia UniversityClinician voices • United States • Score 93.4Clinician voicesX, LinkedIn93.4 - 7
Megan RanneyDean, Yale School of Public HealthClinician voices • United States • Score 92.4Clinician voicesX, LinkedIn, Substack92.4 - 8Austin ChiangChief Medical Officer, Endoscopy, MedtronicClinician voices • United States • Score 92.3Clinician voicesLinkedIn, X, YouTube92.3
- 9John HalamkaPresident, Mayo Clinic PlatformClinician voices • United States • Score 92.3Clinician voicesLinkedIn, X, Podcast92.3
- 10
Robert WachterChair of Department of Medicine, University of California San FranciscoClinician voices • United States • Score 92.3Clinician voicesX, LinkedIn92.3 - 11
Robert PearlClinical Professor of Plastic Surgery, Stanford University School of MedicineClinician voices • United States • Score 92Clinician voicesLinkedIn, Podcast, Substack92 - 12Bertalan MeskoDirector, The Medical Futurist InstituteClinician voices • Hungary • Score 91.8Clinician voicesLinkedIn, YouTube, Newsletter91.8
- 13
Daphne KollerFounder and CEO, InsitroAI & data science • United States • Score 91.1AI & data scienceLinkedIn, X91.1 - 14Daniel KraftFounder and Chair, NextMed HealthClinician voices • United States • Score 90.4Clinician voicesLinkedIn, X, Podcast90.4
- 15Amy AbernethyCo-Founder, Highlander HealthFounders & operators • United States • Score 90.3Founders & operatorsLinkedIn, X90.3
- 16
Peter PronovostChief Clinical Transformation Officer, University HospitalsClinician voices • United States • Score 90.3Clinician voicesLinkedIn, X90.3 - 17Julie YooGeneral Partner, Andreessen HorowitzInvestors • United States • Score 90.1InvestorsLinkedIn, Podcast90.1
- 18
Michael HowellChief Clinical Officer, GoogleClinician voices • United States • Score 90.1Clinician voicesLinkedIn, X90.1 - 19Rasu ShresthaChief Innovation and Commercialization Officer, Advocate HealthClinician voices • United States • Score 90.1Clinician voicesX, LinkedIn90.1
- 20Geeta NayyarAuthor and Former Chief Medical Officer, SalesforceClinician voices • United States • Score 89.7Clinician voicesLinkedIn, X, Podcast89.7
- 21Howard LuksOrthopedic Surgeon and Author, Howard Luks MDClinician voices • United States • Score 89.7Clinician voicesLinkedIn, X, Newsletter89.7
- 22Harlan KrumholzProfessor of Medicine, Yale UniversityClinician voices • United States • Score 89.6Clinician voicesLinkedIn, X89.6
- 23Micky TripathiAssistant Secretary for Technology Policy, US Department of Health and Human ServicesPolicy & regulation • United States • Score 89.6Policy & regulationLinkedIn, X89.6
- 24
Rebecca LovePresident, SONSIELClinician voices • United States • Score 89.6Clinician voicesLinkedIn, X, Podcast89.6 - 25David RhewGlobal Chief Medical Officer, MicrosoftClinician voices • United States • Score 89.5Clinician voicesLinkedIn, X89.5
- 26Jonathan BushFounder and CEO, Zus HealthFounders & operators • United States • Score 89.5Founders & operatorsLinkedIn, X89.5
- 27Shafi AhmedConsultant General and Colorectal Surgeon, Barts Health NHS TrustClinician voices • United Kingdom • Score 89.4Clinician voicesLinkedIn, X89.4
- 28Blake MaddenFounder and Creator, HospitalogyAnalysts & journalists • United States • Score 89.3Analysts & journalistsNewsletter, Substack89.3
- 29
Sanjeev AroraDirector and Founder, Project ECHOClinician voices • United States • Score 88.8Clinician voicesLinkedIn, X88.8 - 30
Arghavan SallesClinical Associate Professor, Stanford University School of MedicineClinician voices • United States • Score 88.7Clinician voicesX, LinkedIn88.7 - 31Casey RossNational Correspondent, STATAnalysts & journalists • United States • Score 88.6Analysts & journalistsX, Newsletter88.6
- 32Harvey CastroPhysician and AI Medicine Consultant, Harvey Castro MD LLCClinician voices • United States • Score 88.5Clinician voicesLinkedIn, X, Podcast88.5
- 33Isaac KohaneChair of Biomedical Informatics, Harvard Medical SchoolResearchers & academics • United States • Score 88.4Researchers & academicsLinkedIn, X88.4
- 34
Glen TullmanChief Executive Officer, TranscarentFounders & operators • United States • Score 88.3Founders & operatorsLinkedIn, X88.3 - 35Shawna ButlerHost and Nurse Economist, See You Now PodcastClinician voices • United States • Score 88.1Clinician voicesPodcast, LinkedIn, X88.1
- 36Bryan VartabedianDirector of Community Medicine, Texas Children's HospitalClinician voices • United States • Score 88Clinician voicesSubstack, LinkedIn, X88
- 37Megan ZweigPresident, Rock HealthAnalysts & journalists • United States • Score 88Analysts & journalistsLinkedIn, Newsletter88
- 38
Vijay PandeGeneral Partner, Andreessen HorowitzInvestors • United States • Score 88InvestorsLinkedIn, Podcast88 - 39
Deena ShakirGeneral Partner, Lux CapitalInvestors • United States • Score 87.9InvestorsLinkedIn, X87.9 - 40Sanjula JainChief Research Officer, Trilliant HealthAnalysts & journalists • United States • Score 87.9Analysts & journalistsLinkedIn, Podcast87.9
- 41Dr. Bob KocherPartner, VenrockInvestors • United States • Score 87.8InvestorsLinkedIn, X87.8
- 42Kate RyderFounder and CEO, Maven ClinicFounders & operators • United States • Score 87.8Founders & operatorsLinkedIn, X87.8
- 43Vineeta AgarwalaGeneral Partner, Andreessen HorowitzInvestors • United States • Score 87.6InvestorsLinkedIn, X87.6
- 44
Aneesh ChopraPresident, CareJourneyPolicy & regulation • United States • Score 87.5Policy & regulationLinkedIn, X87.5 - 45Christina FarrVenture Partner, OMERS VenturesInvestors • United States • Score 87.5InvestorsNewsletter, Substack, X87.5
- 46
Toyin AjayiCo-founder and CEO, Cityblock HealthFounders & operators • United States • Score 87.4Founders & operatorsLinkedIn, X87.4 - 47
Wendy Sue SwansonPediatrician and Chief Medical Officer, SpoonfulOneClinician voices • United States • Score 87.3Clinician voicesLinkedIn, X87.3 - 48Bryan RobertsPartner, VenrockInvestors • United States • Score 87.1InvestorsLinkedIn, X87.1
- 49
Nigam ShahChief Data Scientist, Stanford Health CareAI & data science • United States • Score 87.1AI & data scienceLinkedIn, X87.1 - 50
Sean DuffyCo-founder and CEO, Omada HealthFounders & operators • United States • Score 87Founders & operatorsLinkedIn, X87 - 51Dominic KingManaging Director, HumaClinician voices • United Kingdom • Score 86.9Clinician voicesLinkedIn, X86.9
- 52Troy TazbazDirector of Digital Health, US Food and Drug AdministrationPolicy & regulation • United States • Score 86.9Policy & regulationLinkedIn, X86.9
- 53Anish KokaCardiologist and Writer, The Accad and Koka ReportClinician voices • United States • Score 86.8Clinician voicesX, Podcast, Substack86.8
- 54Lisa SuennenPresident, Venture Valkyrie ConsultingInvestors • United States • Score 86.7InvestorsNewsletter, Podcast86.7
- 55Matthew HoltFounder, The Health Care BlogAnalysts & journalists • United States • Score 86.7Analysts & journalistsNewsletter, LinkedIn, Podcast86.7
- 56Ruth ReaderHealth Technology Reporter, PoliticoAnalysts & journalists • United States • Score 86.7Analysts & journalistsLinkedIn, X86.7
- 57Harpreet SoodGeneral Practitioner and Advisor, NHS EnglandClinician voices • United Kingdom • Score 86.5Clinician voicesLinkedIn, X86.5
- 58Jessica DaMassaHost and Executive Producer, WTF HealthAnalysts & journalists • United States • Score 86.5Analysts & journalistsYouTube, Podcast86.5
- 59Marion LearyDirector of Innovation, Penn NursingClinician voices • United States • Score 86.5Clinician voicesLinkedIn, X86.5
- 60
Ziad ObermeyerAssociate Professor, University of California BerkeleyResearchers & academics • United States • Score 86.5Researchers & academicsX, LinkedIn86.5 - 61
Chris GibsonCo-founder and CEO, RecursionAI & data science • United States • Score 86.4AI & data scienceLinkedIn, X86.4 - 62
Kevin O'LearyCo Founder, Health Tech NerdsAnalysts & journalists • United States • Score 86.4Analysts & journalistsNewsletter, LinkedIn86.4 - 63
Suchi SariaAssociate Professor and Founder, Johns Hopkins UniversityAI & data science • United States • Score 86.4AI & data scienceLinkedIn, X86.4 - 64
Lee ShapiroManaging Partner, 7wireVenturesInvestors • United States • Score 86.3InvestorsLinkedIn, X86.3 - 65Steve KrausPartner, Bessemer Venture PartnersInvestors • United States • Score 86.3InvestorsLinkedIn, X86.3
- 66Zachariah ReitanoCo-founder and CEO, RoFounders & operators • United States • Score 86.2Founders & operatorsLinkedIn, X86.2
- 67Malay GandhiPartner, BenchstrengthInvestors • United States • Score 86.1InvestorsLinkedIn, X86.1
- 68Leo Anthony CeliPrincipal Research Scientist, Massachusetts Institute of TechnologyResearchers & academics • United States • Score 85.9Researchers & academicsLinkedIn, X85.9
- 69Nikhil KrishnanFounder and Writer, Out of PocketAnalysts & journalists • United States • Score 85.9Analysts & journalistsNewsletter, Substack, X85.9
- 70Amitha KalaichandranPhysician and Medical Journalist, Ottawa HospitalClinician voices • Canada • Score 85.8Clinician voicesLinkedIn, X, Substack85.8
- 71Jared DashevskyCo Founder, Healthcare HuddleAnalysts & journalists • United States • Score 85.8Analysts & journalistsNewsletter, LinkedIn85.8
- 72Iman AbuzeidCo-founder and CEO, Incredible HealthFounders & operators • United States • Score 85.7Founders & operatorsLinkedIn, X85.7
- 73Mario SchlosserCo-founder and Chief Technology Officer, Oscar HealthFounders & operators • United States • Score 85.7Founders & operatorsLinkedIn, X85.7
- 74Shiv RaoCo-founder and CEO, AbridgeFounders & operators • United States • Score 85.7Founders & operatorsLinkedIn, X85.7
- 75
Michael YangManaging Partner, OMERS VenturesInvestors • United States • Score 85.6InvestorsLinkedIn, X85.6 - 76Sami InkinenCo-founder and CEO, Virta HealthFounders & operators • United States • Score 85.5Founders & operatorsLinkedIn, X85.5
- 77Michael GreeleyCo Founder and General Partner, Flare Capital PartnersInvestors • United States • Score 85.4InvestorsLinkedIn, X85.4
- 78Keith GrimesDigital Health Consultant and Physician, CuristicaClinician voices • United Kingdom • Score 85.1Clinician voicesLinkedIn, X, Substack85.1
- 79Lynne Chou O'KeefeFounder and Managing Partner, Define VenturesInvestors • United States • Score 85.1InvestorsLinkedIn, X85.1
- 80Dave MuoioStaff Writer, Fierce HealthcareAnalysts & journalists • United States • Score 85Analysts & journalistsLinkedIn, X85
- 81Michael J. PencinaChief Data Scientist, Duke HealthAI & data science • United States • Score 85AI & data scienceLinkedIn, X85
- 82Othman LarakiCo-founder and CEO, Color HealthFounders & operators • United States • Score 85Founders & operatorsLinkedIn, X85
- 83Ambar BhattacharyyaManaging Director, Maverick VenturesInvestors • United States • Score 84.9InvestorsLinkedIn, X84.9
- 84Jameson RogersCo Founder, Health Tech NerdsAnalysts & journalists • United States • Score 84.7Analysts & journalistsNewsletter, LinkedIn84.7
- 85April KohCo-founder and CEO, Spring HealthFounders & operators • United States • Score 84.6Founders & operatorsLinkedIn84.6
- 86
Julie GrantGeneral Partner, Canaan PartnersInvestors • United States • Score 84.6InvestorsLinkedIn84.6 - 87Bill TarantoPresident, Merck Global Health Innovation FundInvestors • United States • Score 84.4InvestorsLinkedIn84.4
- 88Rebecca PiferSenior Reporter, Healthcare DiveAnalysts & journalists • United States • Score 84.4Analysts & journalistsLinkedIn, X84.4
- 89Daisy WolfPartner, Andreessen HorowitzInvestors • United States • Score 84.3InvestorsLinkedIn, X84.3
- 90Russell GlassChief Executive Officer, HeadspaceFounders & operators • United States • Score 84.3Founders & operatorsLinkedIn, X84.3
- 91Munjal ShahCo-founder and CEO, Hippocratic AIAI & data science • United States • Score 84.1AI & data scienceLinkedIn, X84.1
- 92Ardy ArianpourCo-founder and CEO, SeqsterFounders & operators • United States • Score 84Founders & operatorsLinkedIn, X84
- 93Keith DreyerChief Data Science Officer, Mass General BrighamClinician voices • United States • Score 83.9Clinician voicesLinkedIn, X83.9
- 94Paddy PadmanabhanFounder and CEO, Damo ConsultingAnalysts & journalists • United States • Score 83.9Analysts & journalistsPodcast, LinkedIn83.9
- 95Oliver KharrazFounder and CEO, ZocdocFounders & operators • United States • Score 83.8Founders & operatorsLinkedIn, X83.8
- 96Sofia GuerraPartner, Bessemer Venture PartnersInvestors • United States • Score 83.8InvestorsLinkedIn, X83.8
- 97
Dina KatabiProfessor of Electrical Engineering, Massachusetts Institute of TechnologyResearchers & academics • United States • Score 83.7Researchers & academicsLinkedIn, X83.7 - 98Michelle LongmireCo-founder and CEO, MedableFounders & operators • United States • Score 83.6Founders & operatorsLinkedIn, X83.6
- 99Heather Mirjahangir FernandezCo-founder and CEO, Solv HealthFounders & operators • United States • Score 83Founders & operatorsLinkedIn, X83
- 100Robert GarberPartner, 7wireVenturesInvestors • United States • Score 82.9InvestorsLinkedIn82.9
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