Professor Stephen Marks, MD MSc MRCP DCH FRCPCH is Professor of Paediatric Nephrology and Transplantation at University College London Great Ormond Street Institute of Child Health.  He is clinical lead for renal transplantation and Director of the National Institute for Health Research Great Ormond Street Hospital Clinical Research Facility at Great Ormond Street Hospital for Children NHS Foundation Trust.  He is theme lead for high intensity early phase clinical trials as well as PPIEP for NIHR GOSH Biomedical Research Centre.  He has held local, national and international roles including chair of the British Association for Paediatric Nephrology and UK Renal Registry Audit and Informatics committee, chair of the National Health Service Blood and Transplant Paediatric Kidney Advisory Group and chair of the Publications and Communications Committee of the International Pediatric Transplant Association (IPTA) having also been an IPTA Councillor.  His research continues to date in the fields of renal transplantation (including innovative drug trials concerning new anti-rejection therapies and assessment of children post-renal transplantation), systemic lupus erythematosus and vasculitis.  He is on the editorial board for “British Journal of Renal Medicine” and is associate editor for “Transplantation”, “Pediatric Nephrology” and “Pediatric Transplantation”, which are the journals of The Transplantation Society, the International Pediatric Nephrology Association and IPTA respectively.