Prof Nikhil Thapar is Director of the Gastroenterology, Hepatology and Liver Transplant service at Queensland Children’s Hospital, Brisbane, Australia. He leads a specialist statewide multidisciplinary clinical service for children with gastrointestinal motility and functional disorders. He previously was Academic Lead for Paediatric Gastroenterology and head of the Neurogastroenterology and Motility service at Great Ormond Street Hospital and University College London Great Ormond Street Institute of Child Health (London, UK).