Dr. Craig Tanio, MD, FACP, IFMCP is a distinguished physician specializing in internal medicine, brain health, longevity, and precision medicine. As CEO and co-founder of Rezilir Health, he leads a multidisciplinary clinical team addressing complex chronic conditions such as cognitive decline, neurodegenerative disorders, ME/CFS, Long Covid, autoimmune diseases, and environmentally acquired illnesses. Dr. Tanio’s evidence-informed approach emphasizes root-cause resolution and integrates multiple medical disciplines to provide comprehensive care.

Dr. Tanio earned his BA in Political Science from UCLA, his MD from UCSF, and an MBA from the Wharton School. He completed his residency and fellowship at the Hospital of the University of Pennsylvania, where he was Chief Medical Resident and a Robert Wood Johnson Foundation Clinical Scholar. Board-certified in internal medicine and functional medicine, Dr. Tanio collaborates on studies exploring precision medicine’s role in reversing cognitive decline and improving outcomes for chronic illnesses. He has held prominent leadership roles, including Chair of the Maryland Health Care Commission, Chief Medical Officer at ChenMed, Parter at McKinsey and Company as well as and faculty positions at Johns Hopkins and Nova Southeastern University.