Dr. Helen Messier is a physician-scientist specializing in precision and longevity medicine, with a PhD in molecular immunology, an MD in family medicine, and foundational training in genetics. Her career has been defined by a commitment to moving medicine upstream, toward prediction, prevention, and root cause, rather than just reaction. A pioneer in bringing multi-omics into clinical practice, she has helped shape more precise, individualized approaches to care, and sees AI as the critical next step in making complex biological datasets actionable at the point of care. She has founded concierge medical practices, led genomic strategy at Human Longevity Inc., and served as Chief Medical Officer at Viome, Fountain Life, and Bioscope.ai. A long-standing educator with the Institute for Functional Medicine, she is passionate about training clinicians to apply systems biology in real-world practice, and is a sought-after speaker on AI, longevity medicine, and women's health. Across every role, Dr. Messier's work centers on connecting biology, environment, technology, and lifestyle, while remaining grounded in a deeply human understanding of patients, to help individuals live not just longer, but healthier and better across their lifespan.