Prof. Yvan Vandenplas studied medicine and trained in pediatrics (1981-1986) at the Vrije Universiteit Brussel. He became Head of the Unit for Pediatric Gastroenterology and Nutrition in 1987, and is Head of the KidZ Health Castle at the University Hospital Brussels (UZ Brussel) and the Chair of Pediatrics since 1994. Yvan’s main interests are gastro-esophageal reflux (diagnostic procedures, treatment), eosinophilic esophagitis, infant nutrition, probiotics and prebiotics, cow’s milk protein allergy, functional gastrointestinal disorders and Helicobacter pylori. He has published many original research and review papers on topics such as infant nutrition, gastro-esophageal reflux and functional gastrointestinal disorders. He is now one of the associate editors of the Journal of Paediatric Gastroenterology and Nutrition. He is also the chair of the ESPGHAN Special Interest Group on "Gut Microbiota & Modifications". Yvan has more than 450 publications listed in Medline, and over 1000 oral presentations at different international meetings.