Prof. Eamonn Quigley is Chief of the Division of Gastroenterology and Hepatology and Professor of Medicine at the Institute for Academic Medicine at Houston Methodist Hospital (Houston, USA). He is internationally known for his research on gastrointestinal motility disorders, primarily Irritable Bowel Syndrome (IBS); functional gastrointestinal disease; GastroEsophageal Reflux Disease (GERD); neurogastroenterology; the role of gut microbiota and probiotics in health and disease.