He is Full Professor of Physics of Fundamental Interactions at the University of Genoa and senior researcher at the National Institute for Nuclear Physics (INFN). He worked in the 90s in the USA at Fermilab and SLAC dealing with elementary particle physics and in particular with the physics of heavy quarks “charm” and “beauty”. He participated in ESA missions for the study of cosmic rays in the atmosphere. Author of about 400 scientific papers and winner of a grant from the European Research Council, he deals mainly with neutrino physics, solar physics and dark matter research. Since 2011 he has been co-spokesperson for the Borexino experiment at the INFN Gran Sasso Laboratories. He is starting new research activities related to neutrino physics in the USA, on the search for dark matter at the Gran Sasso Laboratories and on the study of dark energy in space. From 2014 to 2020 he was President of the National Commission that coordinates and finances research in Astroparticle physics of the INFN and since 2020 he has been a member of the Executive Board. He is engaged in scientific dissemination and since 2016 he has been President of the Science Festival of Genoa.