MEET DAVID
Dr. David Barzilai is a longevity physician who founded Barzilai Longevity Consulting to provide evidence-based longevity consulting for entrepreneurs, executives, and other motivated individuals. Drawing on his clinical training, academic work, and experience teaching longevity medicine, he helps clients navigate complex research and apply it safely and pragmatically to their own lives. His work centers on extending healthspan and healthy aging—supporting better energy, resilience, and performance today while thoughtfully managing long-term risk
As the CEO of Barzilai Longevity Consulting and the physician behind Agingdoc.com, Dr. Barzilai is known for translating cutting-edge longevity research into practical, high-impact strategies. He serves as a lecturer at Harvard Medical School and is a founding faculty member and Trustee of the Geneva College of Longevity Science, where he contributes to shaping the emerging field of longevity medicine. In addition to his consulting work, he is a frequent keynote speaker at scientific and medical conferences, helping audiences understand how evidence-based approaches can be used to extend and optimize healthspan.
Dr. Barzilai holds dual doctorates (MD/PhD) from Case Western Reserve University, where his PhD in health services research provided in-depth training in evidence-based medicine and critical appraisal of clinical and longevity studies. He is board-certified in lifestyle medicine as a Diplomate of the American Board of Lifestyle Medicine (DipABLM), reflecting his commitment to lifestyle as a central lever for healthspan and healthy aging. Earlier in his career, he completed degrees in Cell and Developmental Biology (BA) and Health and Society (BA) at the University of Rochester, graduating Phi Beta Kappa and summa cum laude—forming a strong scientific and societal foundation for his current work in longevity consulting.
From David
"I work closely with my clients one-on-one to support their wellbeing. I am a physician, but I am not your physician. No diagnoses or treatment are rendered, but through my coaching and consulting brands, I work with my clients to help them achieve their personal and professional goals."
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