Hillary Lin, MD is a Stanford-trained, board-certified internist and founder/CEO of CareCore, a clinical care and health technology company building clinical infrastructure for proactive longevity care: helping patients turn credible health guidance into appropriate diagnostics, treatment decisions, follow-up, and escalation with physician oversight. Her work spans preventive medicine, neuroscience, oncology, digital health, skin health, and healthspan optimization. She previously co-founded Curio, a venture-backed integrated behavioral health company focused on psychedelic-assisted therapy. Dr. Lin hosts The Longevity Show and writes The Longevity Letter, where she helps clinicians and consumers separate evidence-based longevity medicine from hype and translate emerging research into practical, patient-centered protocols.