Professor Greg Robertson (BMedSci(Hons), MBChB, MSc(Dis), FRCS(T&O), PhD) is a consultant orthopaedic surgeon (diabetic foot specialist) at the Wrexham Maelor Hospital, an honorary consultant orthopaedic surgeon and research associate at the Robert Jones and Agnes Hunt Hospital, Oswestry, and a visiting Professor at Wrexham University.His practice covers diabetic foot care & reconstruction (including minimally invasive surgery), foot & ankle trauma and elective, and limb reconstruction.He provides diabetic foot teaching for the Welsh and Stoke / Oswestry orthopaedic rotations and the diabetic foot talk for the Oswestry Foot and Ankle Course. He has also given the diabetic foot lecture for the BOFAS Principles of Foot and Ankle Surgery Course. Working for the largest health board in Wales, Betsi Cadwaladr University Health Board (BCUHB), he has helped modernise the multi-disciplinary diabetic foot service since commencing post. He is currently the BCUHB lead for the All Wales Diabetic Foot Network.'Professor Nicola Maffulli is a consultant orthopaedic and sports injury surgeon who is particularly interested in the physiopathology of sports injuries, including anterior cruciate ligament and tendon injuries, and has considerable expertise in knee and foot and ankle arthroscopy. He currently works at the Department of Medicine and Surgery, Università degli Studi di Salerno, where he is a Professor and Chair of Trauma and Orthopaedic Surgery.A highly respected orthopaedic surgeon, his major areas of expertise are knee surgery and foot and ankle surgery. He has made major contributions on the physiopathology of tendon ailments and conducted numerous randomised controlled trials in trauma and orthopaedic surgery. Given his training, Prof Maffulli’s expertise ranges from exercise physiology, gene expression in musculoskeletal conditions and tissue engineering, to mesenchymal stem cell therapy.