Stefano D'Arrigo has a Medical degree and specialization in pediatric neuropsychiatry. He works at Fondazione IRCCS Istituto Neurologico Besta in the Pediatric Department as a physician and researcher; he has extensive expertise in coordinating and managing research projects. He's already been PI, CoPI, and collaborator of several studies, including PI of PNNR funding in 2024 about the genetics of autism. His main fields of study have included syndromic conditions with neurological involvement and developmental disabilities, with a particular focus on intellectual disability, autism spectrum disorder, genetic syndromes, and childhood cerebellar diseases. His expertise in both clinical practice and research activities is endorsed by more than 100 publications, participation in several meetings as an invited speaker, and scientific director of pediatric genetics courses. He's a contract professor for the Neuropsychiatry residency programme at Milan University. He's part of the ITHACA ERN and of diverse Scientific Societies, he is the Lombardy regional president of the Italian Society of Pediatric Neurology, as well as involved in the activities of some Patient Associations.