David Barzilai, MD, PhD, MBA, MS, FAAD, DipABLM

Dr. David Barzilai, MD, PhD, MBA, MS, DipABLM, founder and CEO of Barzilai Longevity Consulting (Healthspan Coaching LLC) and lecturer at Harvard Medical School, is a globally recognized physician, consultant, and thought leader in longevity medicine. He partners with individuals and organizations to translate cutting-edge longevity science into precision, evidence-based strategies that enhance healthspan, performance, and long-term well-being. With a PhD in Health Services Research, Dr. Barzilai serves as an inaugural faculty member and Trustee at the Geneva College of Longevity Science. His multidisciplinary training enables him to deliver highly personalized, data-driven interventions rooted in the latest scientific breakthroughs. A Diplomate of the American Board of Lifestyle Medicine, he employs a comprehensive approach integrating nutrition, physical activity, sleep, stress optimization, and emerging therapeutics to achieve measurable health outcomes. Through agingdoc.com, Dr. Barzilai helps clients—from global executives to clinicians and forward-thinking organizations—design customized longevity plans that convert complex research into practical, high-impact strategies. His consultancy serves a diverse international clientele committed to future-proofing health and performance. Renowned for his pioneering work and thought leadership, Dr. Barzilai is a sought-after international speaker whose keynotes at leading scientific and medical conferences connect him with a global audience of academics, clinicians, and innovators. His evidence-driven innovation and dedication to advancing the field continue to shape the future of precision longevity medicine.