Arnaud Clavé is a Consultant in Traumatology and Orthopaedic Surgery at Saint George Private Hospital, Nice (France). His clinical expertise includes lower limb arthroplasty, Computer-Assisted Orthopaedic Surgery and Robotic total joint reconstructions. After graduating from the University of Nice Sophia-Antipolis School of Medicine (France), he completed his residency in orthopaedic surgery at Brest University Hospital and in the Versailles Orthopaedic Centre (Paris University Hospital, France). He then completed a two-year academic and clinical fellowship in lower limb surgery at Brest University Hospital. His training continued with a 18months fellowship at the Nuffield Orthopaedic Centre, based in the OOEC, at the prestigious Oxford University (UK) where he worked on UKA. Having undertaken a Master degree in Medical Science in 2008, he earned his PhD at the LaTIM Unit on the “Multimodal and biomechanical modelization of the knee: towards a personalized approach to total knee replacement”. His research interests include the study of lower limb arthroplasty procedure (especially UKA), knee kinematic, Computer-Assisted Orthopaedic Surgery, Robotic Surgical Procedure. Dr. Clavé is the current “Secrétaire Général » of CAOS-France.Professor Frédéric Dubrana is a lower limb and knee surgeon and the head of the Department of Orthopedic Surgery at Brest University Hospital. He is also the vice-dean and holds the chair of Orthopedic Surgery at Brest Western Brittany University. He is a world-renowned knee arthroplasty (KA) surgeon. He has edited approximately fifteen books in orthopedics, including two in Japanese, one in Polish, and one in Portuguese in Brazil. Holding a Ph.D. in philosophy from Sorbonne University, he has co-directed the philosophical and artistic collection "Les Cahiers du Cercle Nicolas Andry" for 15 years. In recent years, he has specialized in unicompartmental knee arthroplasty and has established an active and extensive Breton school. Currently, in Brittany, 30% of knee prostheses are unicompartmental knee arthroplasties (UKAs). For the past 10 years, he has been exporting this technique, which is perfectly adapted to emerging countries such as Laos, Cambodia, and Madagascar.