Yvan Vandenplas is a Professor at University Hospital Brussels (UZ Brussel). He became Head of the Pediatric Hospital, the "KidZ Health Castle," and Chair of Pediatrics in 1994. He defended his Ph.D. thesis on "Esophageal pH monitoring for Gastro-Esophageal Reflux in Infants and Children" in 1991. He is the founder and current consultant at "KidZ Health Castle," at the University Hospital Brussels (UZ Brussel) of the Vrije Universiteit Brussel. From 1994 to 2021, he was the Chair of Pediatrics at the same institution. His research interests include functional gastrointestinal disorders such as gastroesophageal reflux, colic, constipation, and infant nutrition, focusing on probiotics, prebiotics, and cow's milk protein allergy. He has authored over 500 publications listed in Pubmed and presented over 1000 talks at diverse international meetings.