Consultant in Gastroenterology at Vall d'Hebron University Hospital and researcher at Vall d'Hebron Research Institute (VHIR) and Ciber EHD. Rotating President of the International Human Microbiome Consortium, member of the Scientific Committee of the Gut Microbiota for Health (ESNM), member of the Clinical Guidelines Committee of the World Gastroenterology Organization and outgoing president of the Spanish Society of Microbiota, Probiotics and Prebiotics.