Dr. Olivia Ly Lesslar is a medical doctor specializing in functional medicine, neurotechnology, and longevity science. She is the Director of Functional and Longevity Medicine at Cingulum Health in Sydney and serves as Chief Medical Advisor for multiple health-tech companies, focusing on neuromodulation, regenerative therapies, and personalized medicine.

With experience spanning Australia, the UK, and the US, she has held academic positions at Griffith University and the Geneva College of Longevity Science. Passionate about space medicine and human optimization, Dr. Lesslar is a Health Span XPrize Team Member and Vice President of the Women in Defence and Space Alliance.