Dr. David Barzilai, MD, PhD, MBA, MS, DipABLM, is a longevity medicine physician, Harvard Medical School Lecturer, and international keynote speaker focused on advancing healthy longevity through evidence-based and precision medicine.
As founder and CEO of Barzilai Longevity Consulting, he works with executives, high-performing individuals, clinicians, health systems, and organizations to translate the rapidly evolving science of longevity into practical strategies that extend healthspan, enhance performance, and improve long-term outcomes. His approach integrates lifestyle medicine, biomarker-driven assessment, and the clinical application of emerging therapeutics.
Dr. Barzilai holds a PhD in Health Services Research and serves as an inaugural faculty member and Trustee of the Geneva College of Longevity Science. A Diplomate of the American Board of Lifestyle Medicine, he was named one of Storyful’s Top 10 Emerging Voices in Wellness and Longevity, served as Medical Editor of Harvard Medical School’s first Special Health Report on Longevity, Pathways to Longevity, and advises companies across the longevity and healthtech sectors. Known as @agingdoc1 on X and at linkedin.com/in/agingdoc, he is one of the longevity field’s most followed physician voices, translating aging research into practical guidance for professionals and the public. Speaking and advisory details are at barzilaiconsulting.com/speaker and barzilaiconsulting.com/advisory.







