Dr. John Kellow, MD, is currently Head of the Discipline of Medicine, and Associate Professor at Northern Clinical School, University of Sydney, and Gastroenterologist and Director of the Neurogastroenterology Unit at Royal North Shore Hospital, Sydney (Australia).

John graduated MBBS from the University of Sydney and subsequently received his doctorate (MD) from that university in 1988. He was made a fellow of the Royal Australasian College of Physicians in 1985. He was a University of Sydney Travelling Fellow at the Mayo Clinic, USA in 1984-1985, and was a Commonwealth Medical Fellow at the Royal London Hospital Medical College, UK in 1986. Dr. Kellow is a member of the Gastroenterological Society of Australia, The American Neurogastroenterology and Motility Society, The American Gastroenterological Association, and the European Society of Neurogastroenterology and Motility.

John has published extensively including original book chapters, research papers, and reviews. His long-standing and primary research interests are disorders of gastrointestinal motility and the pathophysiology and treatment of the functional gastrointestinal disorders