Dr Ross Walker is one of Australia’s most respected cardiologists, with over 45 years of clinical experience and a 25-year focus on preventative cardiology. Renowned internationally as a keynote speaker and best-selling author of seven books – his latest, Health Span, will be released in 2025 – Dr Walker is also a trusted voice in Australian media, hosting the national radio show Healthy Living on Nine Radio and appearing weekly across 2GB, 3AW, 4BC, and other major networks. He runs the Sydney Heart Health Clinic on Sydney’s North Shore, specialising in all aspects of non-invasive and preventative cardiology. Dr Walker also holds senior medical roles across several leading health organisations, including Chief Medical Officer for Access Corporate Group and Miyagi Coach, Chief Cardiologist for Miskawaan Health Group, Medical Director at Barker Henley Global, and Chair of the Scientific Advisory Board for Kaneka Ubiquinol™. He additionally chairs the Gut Foundation of Australia and serves as Patron of Heart Support Australia.