Dr. David Barzilai, MD, PhD, MBA, MS, DipABLM, is a globally recognized longevity medicine physician and consultant, dedicated to optimizing healthspan through evidence-based practices. As the founder and CEO of Barzilai Longevity Consulting (Healthspan Coaching LLC), he specializes in helping clients harness the forefront of longevity science.

An inaugural faculty member and Trustee at the Geneva College of Longevity Science, Dr. Barzilai leverages his PhD in Health Services Research to drive personalized medicine innovations, implementing precision strategies informed by the latest scientific advancements and breakthroughs to enhance vitality and extend healthspan. As a Diplomate of the American Board of Lifestyle Medicine, Dr. Barzilai integrates nutrition, physical activity, sleep, and stress management to promote comprehensive health optimization. Through agingdoc.com, he partners with clients to implement precision medicine strategies and develop personalized longevity plans tailored to individual needs.

Known as 'agingdoc' on X (formerly Twitter), Dr. Barzilai has garnered a distinguished global following of academics, scientists, and scholars. Through his platform, he actively disseminates cutting-edge insights, fostering collaboration and driving innovation in aging and longevity medicine.

Beyond his public engagement, he advises individuals and organizations, offering tailored guidance on implementing the latest longevity science to enhance health outcomes and operational strategies. A respected thought leader and international speaker, Dr. Barzilai frequently delivers keynote addresses at scientific and clinical conferences worldwide. His contributions and public engagement have established him as an authority committed to enhancing quality of life and promoting healthier lifespans.

Dr. Barzilai continues to pioneer in precision longevity medicine, offering unparalleled expertise to individuals and organizations seeking to implement evidence-based best practices in longevity science.