Antonios A. Koutalos, MD, PhD, is an Assistant Professor of Orthopaedics at the University of Thessaly and an orthopaedic surgeon at the University Hospital of Larissa, Greece. His clinical practice focuses on adult reconstructive surgery, primary and revision hip and knee arthroplasty, and musculoskeletal trauma. He graduated from the Medical School of Aristotle University of Thessaloniki and completed his orthopaedic training at the General Hospital of Karditsa and the University Hospital of Larissa. He subsequently undertook a Senior Clinical Fellowship in Advanced Hip Surgery at Southmead Hospital in Bristol, United Kingdom, followed by further specialist training through an arthroplasty fellowship and a European Hip Society Fellowship in Germany. Dr Koutalos received his PhD in 2022 for research on the clinical outcomes, quality of life, and long-term survivorship of revision total hip arthroplasty. His research interests include primary and revision arthroplasty, implant performance, periprosthetic joint infection, hip fractures, osteoporosis, and patient-reported outcomes. He has authored numerous peer-reviewed publications and book chapters and has presented his work at national and international conferences. He is actively involved in undergraduate and postgraduate medical education and serves as a reviewer and editor for international orthopaedic journals. His work is centred on evidence-based practice, surgical excellence, and improving patient outcomes.