Is FFR Dead? Origins and Advantages of Resting Physiology

Dr Justin Davies is a board member of Monaco Cardio at the Princess Grace Hospital, Monaco, and an interventional cardiologist with over 15 years of experience as a leading educator in the field. His clinical and academic career was established at Hammersmith Hospital, Imperial College London, where he built an international reputation for innovation in cardiovascular medicine. Over the course of his career, he has successfully mentored 15 PhD students, published more than 500 peer-reviewed papers — including landmark studies in the New England Journal of Medicine and The Lancet — and holds 20 patents in cardiovascular medicine and technology. He was the co-principal investigator of the DEFINE-FLAIR study, which helped establish iFR (Instantaneous Wave-Free Ratio), a diagnostic technique he invented, as a globally adopted standard in coronary physiology. His work reflects a unique blend of scientific innovation, academic leadership, and clinical excellence. In addition to his research and academic commitments, Justin is CEO of Cerebria AI, where he leads the development of next-generation AI-powered cardiovascular imaging and physiology tools. Under his leadership, Cerebria AI is advancing cutting-edge solutions that integrate artificial intelligence with frontline cardiology to enhance clinical decision-making and patient outcomes. Combining deep clinical expertise with entrepreneurial vision, he continues to guide international ventures through funding, regulatory pathways, and commercialization, while remaining committed to transforming cardiovascular care on a global scale.