Fabio Grassi, is a leading expert in mucosal immunology. He earned his degree in Medicine at the University of Pavia and a Ph.D. in Microbiology at the University of Milan. He joined the Institute for Research in Biomedicine in Bellinzona in 2002 as Head of the Mucosal Immunology lab. His research is focused on understanding mechanisms regulating the mucosal adaptive immune response as well as mutualism with intestinal commensals. He is also full professor of Biology at the Medical School of the University of Milan.