Helen Messier
Dr. Helen Messier, MD, PhD, is a physician-scientist and leader in precision and longevity medicine focused on advancing healthcare from reactive treatment to proactive prevention. With advanced training in genetics, molecular immunology, and family medicine, she has dedicated her career to translating biomedical discoveries into practical clinical applications that help people understand, prevent, and address the drivers of disease.
As Chief Medical Officer at Fountain Life, Dr. Messier leads medical, clinical, and scientific initiatives focused on leveraging artificial intelligence, advanced diagnostics, and multi-omic data to identify health risks earlier and create more personalized approaches to care. Throughout her career, she has pioneered the integration of genomics, metabolomics, microbiomics, and digital health technologies into real-world clinical practice.
Dr. Messier has founded innovative healthcare organizations, served as Medical Director of Genomics at Human Longevity Inc., and was the founding Chief Medical Officer of Viome. A dedicated educator and advisor, she shares her expertise on precision medicine, longevity, artificial intelligence, and the future of healthcare, helping clinicians harness emerging technologies to deliver more proactive, personalized care.


















