Sue Shepherd, PhD, is a dietitian, senior lecturer at La Trobe University (Melbourne, Australia), and research scientist who is internationally recognized as an expert on the low-FODMAP diet and irritable bowel syndrome. She consults on several international medical advisory committees for gastrointestinal conditions. She herself has celiac disease.
Peter Gibson, MD, is Professor of Gastroenterology at Monash University and the Alfred Hospital (Melbourne, Australia). He is a world-renowned expert gastroenterologist in areas including the low-FODMAP diet, irritable bowel syndrome, and inflammatory bowel disease.
William D. Chey, MD, AGAF, FACG, FACP, RFF, is Professor of Medicine, Director of the GI Physiology Laboratory, and Co-Director of the Michigan Bowel Control Program at the University of Michigan. He also runs a clinical research group, serves as Co-editor-in-Chief of the American Journal of Gastroenterology, and is on the Board of Trustees of the American College of Gastroenterology and the Board of Directors of the Rome Foundation and Advisory Board of the International Foundation for Functional Gastrointestinal Disorders (IFFGD).