Dr A. Sahib El-Radhi, MRCPCH, PhD, DCH, completed his primary medical study and PhD at the Free University of West Berlin, Germany. In addition to his work at Harley Street Children's Clinic he is currently Honorary Consultant Paediatrician at Queen Mary’s Hospital, Sidcup, Kent, UK, and Honorary Senior Lecturer at Guy's and St Thomas' School of Medicine, London. He has worked as a general paediatrician in different countries including Germany, Finland, Iraq, Kuwait, and the United Kingdom. He has served as an advisor and peer reviewer for several medical journals including the Archives of Disease in Childhood. He has also been an undergraduate and postgraduate examiner to the Royal College of Paediatrics and Child Health.