J Mark Wilkinson PhD FRCS (Ortho & Tr) is Professor of Orthopaedic Surgery at the University of Sheffield, and honorary consultant orthopaedic surgeon at Sheffield Teaching Hospitals NHS Foundation Trust. He is the Chair of Trustees and past-President of the British Orthopaedic Research Society. Porfessor Wilkinson is an executive member of the National Joint Registry for England, Wales, Northern Ireland, and the Isle of Man, and chairs its research committee. He sits on the Board of Directors of the Orthopaedic Research Society in the United States and is an editorial board member of several orthopaedic journals. His academic interests are in the pathogenesis of diseases leading to joint replacement and the subsequent interactions between the patient and the prosthetic implant and the outcomes of joint replacement surgery. He has published over 150 peer-reviewed articles and lectures internationally on these topics. His current funding sources include the NIHR, MRC, Versus Arthritis, and the Health Quality Improvement Partnership. He has received the Gold Medal and Association Award of the British Orthopaedic Association, The William Harris Award of the Orthopaedic Research Society (United States), and in 2018 the Otto Aufranc Award of the American Hip Society for his work on the genetics of hip diseases.