Stephen Riordan is a professor of medicine (conjoint) at the Prince of Wales Clinical School, Faculty of Medicine, University of New South Wales, and head of the Gastrointestinal and Liver Unit at the Prince of Wales Hospital, a university teaching hospital, in Sydney, Australia. He holds appointments as senior staff specialist in gastroenterology and hepatology at the Prince of Wales Hospital and its affiliated Sydney Children’s Hospital and Royal Hospital for Women (also university teaching hospitals) and as a consultant physician, gastroenterologist, and hepatologist at the Prince of Wales Private Hospital. His undergraduate training in medicine was at the University of New South Wales in Sydney, Australia, from which he graduated with honours. He was among several clinicians and researchers profiled at the 2014 Annual Scientific Meeting of the American Association for the Study of Liver Diseases, held in Boston, Massachusetts, and also at the 2015 Annual Scientific Meeting of the American Association for the Study of Liver Diseases, held in San Francisco, California. His research interests include gastroenterology and hepatology.