Dr. David Barzilai
David Barzilai, MD, Ph.D., MBA, M.S., DipABLM is Physician, Longevity Consultant, Health Coach, and Founder and CEO of Healthspan Coaching.
Known as Agingdoc on the social platform X, David actively engages with a community of scholars interested in geroscience, longevity medicine, and lifestyle medicine. His posts highlight the latest research in aging biology, healthy aging, lifestyle medicine, and longevity practices.
David is a Diplomat of the American Board of Lifestyle Medicine (DipABLM), certifying proficiency in essential aspects of lifestyle medicine such as nutrition, physical activity, sleep, and general health and wellness.
David has authored educational materials on evidence-based medicine and has a wide range of interests and a passion for healthy longevity and mind-body wellness, culminating in a wide range of experiences including nutritional certifications from IIN as an Integrative Health Coach in 2017, IFNA in nutrition, and positive psychology from Kripalu. Watch Who is Longevity Coach Agingdoc?
He holds further certifications in nutrition, health coaching, and longevity medicine, underscoring his commitment to applying his knowledge in practical settings.
Through Barzilai Consulting (Healthspan Coaching LLC), David incorporates the latest data and scientific and technology breakthroughs, providing state-of-the-art longevity and healthy lifestyle coaching and consultations one-on-one with his clients. Quality of life, physical and mental vigor, and healthier lifespan are at the center of Barzilai Consulting’s mission.
David earned his Bachelor’s Degrees of Arts in Cell and Developmental Biology and in Health and Society at the University of Rochester, both in 1998, where he also graduated Phi Beta Kappa and Summa Cum Laude.
He earned his MBA from Isenberg School of Management, UMass Amherst in 2015 and his Master’s Degree of Science in Psychology from Capella University in 2018.
David earned his Ph.D. in Health Services Research, which included training in evidence-based medicine in 2003 and his MD in 2005, both from Case Western Reserve University.
Between 2006 and 2009, David did his Residency in Dermatology at The Warren Alpert Medical School of Brown University.
David is a highly sought-after speaker, having been invited to present at scientific and clinical conferences such as the Longevity Docs Mastermind 2024 (New York), Longevity Summit Dublin 2024 (Dublin), Longevity Med Summit (LMS) 2024 (Libson), the 8th Edition of Global Congress on Aging and Gerontology (Aging & Gerontology, 2024 (London)), ARDD 2024 (Copenhagen), and the Hevolution Foundation Global Healthspan Summit 2025. He is keynote speaker for the 3rd Edition Global Longevity Federation (Rome).
Watch The Future of Health: Longevity Medicine | Dr David Barzilai.
Read An Anonymous Longevity Enthusiast Unmasks Himself and A Pseudonymous Longevity Guru Doxxed Himself—What’s Next?
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