Yvan Vandenplas did his medical studies at the ”Vrije Universiteit Brussel” and trained in pediatrics (1981‑1986) at the same University. He became Head of the Unit for Pediatric Gastroenterology and Nutrition in 1987 and is Head of the Department of Pediatrics, at the Univerity Hospital Brussels (UZ Brussel) and has the Chair of Pediatrics since 1994. His Ph. D. Thesis was on "Oesophageal pH monitoring for Gastro‑Oesophageal Reflux in Infants and Children" in April 1991. He has more than 350 publications listed in Medline. 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, Helicobacter pylori. He pulblished many original research and review papers on topics such as infant nutrition and gastro-esophageal reflux and other gastro-intestinal disorders. He is now an associate editor of the Journal of Pediatric Gastroenterology and Nutrition.