Voices of Healthcare: 30 People Changing Health Tech (2026)

This list names thirty people whose work is changing how health technology gets built, bought, and used. The mix includes founders and CEOs of platforms that sit in daily clinical or administrative workflows, academics and researchers who shape how medical AI is evaluated, and investors who have backed enough of the category to move what gets funded next.

We ranked for influence on healthcare technology, not for media fame alone. Celebrity clinicians who mainly endorse apps without a clear technology footprint are out of scope. Customer-success executives at a single EHR vendor are out of scope unless their work clearly changed the wider market. Inclusion is editorial. Nobody paid for a place on this list, and a company review on Healthcare Industry Reviews does not guarantee a person appears here.

How we selected

  • Platform impact: products or systems that large numbers of clinicians, practices, or health systems actually use.
  • Research and standards influence: work that changes how medical AI, informatics, or digital health gets judged.
  • Capital and market shaping: investors whose boards and theses set patterns other firms copy.
  • Independence: no pay-for-placement; HIR-reviewed companies appear only when the person earns it on the merits.

Photos prefer official or press portraits. Where we could not verify a usable public headshot, we use an initials placeholder rather than invent a face.

The Top 30

1
Judy Faulkner

Judy Faulkner

Founder and CEO, Epic Systems

Epic remains the default clinical system for large U.S. health systems, so her product and partnership choices still set the integration bar for almost every other vendor.

2
Eric Topol

Eric Topol

Founder and Director, Scripps Research Translational Institute

His writing and research remain the most widely read public frame for how clinicians should judge AI tools before they reach the ward.

3
Shiv Rao

Shiv Rao

Co-founder and CEO, Abridge

Abridge moved ambient clinical documentation from specialty pilots into Epic-centered enterprise budgets with measurable note workflow claims.

4
Julie Yoo

Julie Yoo

General Partner, Andreessen Horowitz (a16z Bio + Health)

She has backed a dense set of healthcare AI and infrastructure companies that now show up in hospital and ambulatory buying cycles.

5
Chris Mansi

Chris Mansi

Co-founder and CEO, Viz.ai

Viz.ai turned time-sensitive care coordination AI into a deployed hospital workflow, starting with stroke and expanding across specialty pathways.

6
Farzad Mostashari

Farzad Mostashari

Co-founder and CEO, Aledade

Aledade scaled technology-enabled value-based care support across thousands of independent primary care practices.

7
Pranav Rajpurkar

Pranav Rajpurkar

Associate Professor of Biomedical Informatics, Harvard Medical School

His lab's imaging benchmarks and clinician-AI studies still define how medical AI papers get judged for reliability.

8
Jeff Tangney

Jeff Tangney

Co-founder and CEO, Doximity

Doximity is the professional network most U.S. physicians already use, which makes it a distribution layer for hiring, education, and telehealth adjacency.

9
Regina Barzilay

Regina Barzilay

Professor of AI and Health; AI Faculty Lead, MIT Jameel Clinic

Her clinical AI and drug-discovery machine learning work set research standards that hospitals and life sciences buyers still cite.

10
Abhinav Shashank

Abhinav Shashank

Co-founder and CEO, Innovaccer

Innovaccer's data platform became a common spine for population health and value-based care operations across large provider organizations.

11
Vineeta Agarwala

Vineeta Agarwala

General Partner, Andreessen Horowitz (a16z Bio + Health)

As a physician-investor she sits on boards across biotech and care delivery, shaping which clinical and software bets get multi-year capital.

12
Kyna Fong

Kyna Fong

Co-founder and CEO, Elation Health

Elation built a primary-care-first EHR that thousands of ambulatory clinicians use as their daily clinical system, not a billing afterthought.

13
Elad Walach

Elad Walach

Co-founder and CEO, Aidoc

Aidoc scaled radiology AI triage across large hospital networks and made always-on imaging alerts an operations question rather than a research project.

14
Andre Esteva

Andre Esteva

Co-founder and CEO, ArteraAI

ArteraAI brought AI-personalized cancer therapy guidance into guideline and reimbursement settings that most medical AI products never reach.

15
Steve Kraus

Steve Kraus

Partner, Bessemer Venture Partners

His healthcare SaaS investing and published benchmarks shaped how a generation of digital health companies measure growth and go-to-market.

16
Chaim Indig

Chaim Indig

Co-founder and CEO, Phreesia

Phreesia made digital intake and payment capture a default front-door workflow for a large share of ambulatory practices.

17
Fei-Fei Li

Fei-Fei Li

Professor; Co-director, Stanford University; Stanford Institute for Human-Centered AI

Her computer vision research and human-centered AI leadership still underpin how medical imaging AI labs train talent and frame risk.

18
Alex Lebrun

Alex Lebrun

Co-founder and CEO, Nabla

Nabla pushed ambient clinical AI with a clear ambulatory product story and a serious European-to-U.S. commercialization path.

19
Halle Tecco

Halle Tecco

Founder, Rock Health

Rock Health became the early-stage digital health network many founders and health system innovators still use as a shared map of the market.

20
Bobby Reddy, Jr.

Bobby Reddy, Jr.

Co-founder and CEO, Prenosis

Prenosis advanced FDA-authorized AI diagnostics for sepsis risk and pushed precision diagnostics into mainstream health recognition.

21
Daniel Perez

Daniel Perez

Co-founder and CEO, Hinge Health

Hinge Health scaled digital musculoskeletal care into a major employer and health-plan category and took the company public.

22
April Koh

April Koh

Co-founder and CEO, Spring Health

Spring Health built employer mental health benefits infrastructure that large companies now treat as a core benefits product line.

23
Karandeep Singh

Karandeep Singh

Chief Health AI Officer; Associate Professor, UC San Diego Health; UC San Diego

He leads health-system AI governance as a practicing informatician, which is where enterprise AI projects actually get approved or blocked.

24
Nigam Shah

Nigam Shah

Professor of Medicine; Chief Data Scientist, Stanford University; Stanford Health Care

His work on evaluating clinical AI with real health system data shaped how academic medical centers pressure-test vendor claims.

25
Jay Rughani

Jay Rughani

Partner, Andreessen Horowitz (a16z Bio + Health)

He is one of the more active public investors translating healthcare AI product trends into financing decisions founders and buyers both hear.

26
Mike Ng

Mike Ng

Co-founder and CEO, Ambience Healthcare

Ambience built an ambient documentation stack aimed at health system workflows and became a reference competitor in enterprise ambient RFPs.

27
Andrew Dudum

Andrew Dudum

Co-founder and CEO, Hims & Hers Health

Hims & Hers turned consumer telehealth and specialty medication access into a scaled public company that reshaped online care expectations.

28
Kensaku Kawamoto

Kensaku Kawamoto

Chief Health AI Transformation Officer; Professor, University of Utah Health

He translates interoperable EHR apps and health system AI strategy into deployed tools, not only papers.

29
Isaac Kohane

Isaac Kohane

Chair, Department of Biomedical Informatics, Harvard Medical School

As chair of Harvard DBMI he shapes the research agenda and talent pipeline for clinical AI and biomedical informatics.

30
Bijan Salehizadeh

Bijan Salehizadeh

Managing Director, Flare Capital Partners

Flare Capital's healthcare technology investing helped define the seed-to-growth path for many clinical and payer infrastructure companies.

HIR Voices lists are editorial opinion. Scores and company reviews on this site remain separate judgments. Published Sep 24, 2026.