Dr Stephen Marks, MD MSc MRCP DCH FRCPCH is Reader and Consultant in Paediatric Nephrology at University College London Great Ormond Street Institute of Child Health.  He is clinical lead for renal transplantation at Great Ormond Street Hospital for Children NHS Foundation Trust and chair of the National Health Service Blood and Transplant Paediatric Kidney Advisory Group.  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).  He is transplant associate editor for “Pediatric Nephrology”, which is the journal of the International Pediatric Nephrology Association and on the editorial board for both “British Journal of Renal Medicine” and “Pediatric Transplantation”, which is the journal of the International Pediatric Transplant Association (IPTA).  Having been chair of the Publications and Communications Committee, he is now a Councillor of IPTA.