TIME 100 MOST INFLUENTIAL COMPANIES 2025

This moment speaks to the shift you're demanding—for an approach that is proactive about health.

Function is proud to be named one of TIME100 Most Influential Companies for 2025.

This moment speaks to the shift you’re demanding—for an approach that is proactive about health. For a future where living 100 healthy years is actually possible.

Function exists to provide access to the game-changing tools to help you take control of your health: advanced lab testing and MRIs with FDA-cleared AI. Giving you a near 360 view of your health, so you can make meaningful changes based on personalized data and actionable insights.

To make the most of the time we have.To do more of what you love, with who you love.

To live 100 healthy years.

Medical & Scientific Advisory Board Includes

Mark Hyman, M.D.
Dr. Mark Hyman is a former Cleveland Clinic physician, leader in functional medicine, co-founder and Chief Medical Officer of Function Health. and 15x NY Times best-selling author.
JoAnn E. Manson, M.D., MPH, DrPH
Chief of Preventive Medicine at Brigham and Women’s, Professor at Harvard Medical School and Harvard T.H. Chan, and expert in women’s health and disease prevention.
Daniel Sodickson, M.D., PhD
Chief of Innovation and Professor of Radiology at NYU Grossman School of Medicine, renowned for pioneering parallel MRI and advancing AI-driven imaging technologies.
Toby Cosgrove, M.D.
Former CEO and President of Cleveland Clinic; globally recognized leader in cardiac surgery and healthcare innovation.
Dr. Andrew Huberman, PhD
Professor of Neurobiology at Stanford School of Medicine and host of the Huberman Lab Podcast, translating neuroscience into actionable tools.
Azra Raza, M.D.
Professor of Medicine at Columbia University, specializes in Myelodysplastic Syndromes (MDS) research since 1982.
AS SEEN in
WSJ
NY Times
fortune
Axios
Forbes
VOGUE
PEOPLE
CNBC
Partnerships
NBPA
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EQUINOX
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Thrive Global
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EREWOHN
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One Mind
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EUDEMONIA
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Awards
Oprah Daily Sel Care Award 2025 (circle)
Oprah Daily Sel Care Award 2025 (circle)

Founding Team

Pranitha Patil
Co-Founder

“We created Function to jumpstart a more empowered, healthier life for you and your family and friends. It's done that for me.”

Left Harvard graduate school early to build Function. Formerly Accenture Health Strategy.

Vegan on a lifelong journey to manage PCOS and high cholesterol. Proudly brought down pre-diabetic blood sugar to normal range.

Mike Nemke
Co-Founder

“Life’s too short and we’re changing that.”

Tackler of big challenges. Prototyped and built AI systems for the VA to get veterans services faster. Former Green Beret Medic and avid biohacker. MS in AI from Northwestern.

Working on decreasing rheumatoid factor. Finding success by eliminating foods based on recent tests.

Jonathan Swerdlin
Co-Founder

“My family and I are Function members. We are building this with our loved ones in mind. We want them to be their healthiest and stick around. Everyone deserves that.”

Serial healthcare entrepreneur and investor.

Managing a lifelong neurological condition by balancing nutrient biomarkers instead of relying on medication. Reducing unusually high mercury levels. Bringing lipid particle sizes into an optimal range.

Mark Hyman, M.D.
Co-Founder and Chief Medical Officer

“I wish I could see millions of patients. We are building Function to democratize so much of what I do and give you the keys to own your health. It is the most powerful approach to health I’ve seen in my career as a doctor.”


‍Former Cleveland Clinic physician. 15x NY Times best-selling author.

Spent years battling heavy metal toxicity and broad dysfunction. Learned to heal himself, inspiring a career pioneering new frontiers of medicine.

Seth Weisfeld
Co-Founder

“The user experience of healthcare and people’s ability to take an active role to course correct their health problems severely lags behind other industries. Function is bringing meaningful change to empower everyone to live their best life.”

Product design lead specializing in zero-to-one efforts. Over 20 years of experience leading UX and strategy for Fortune 500 companies.

Lifelong management of autoimmune driven inflammation and colitis. Optimizing nutritional profile and diet through testing.

Dan Swerdlin
Co-Founder

“Knowledge is power. Health is wealth. It’s an honor to help people make the most of their lives.”

Founder of law firm dedicated to helping individuals and companies navigate challenging legal issues. JD from Stanford Law School.

Reducing inflammation with stress management. Actively bringing down LDL small and ApoB.

Our Team

Function’s recognition as one of TIME’s Most Influential Companies is a direct result of the people behind it. This is a mission powered by brilliant minds and big hearts—engineers, designers, scientists, and storytellers who care deeply about changing the future of health. If you’re looking for meaningful work with impact, we’d love to meet you.

Join the Team