Full Professor of Physics at the Università degli Studi di Milano, currently retired. He carried out experiments in the field of subnuclear physics at CERN, ranging from the systematics of quarks in the distant seventies to the study of W and Z bosons in the eighties to conclude with the discovery of the Higgs boson in 2012 with the ATLAS experiment. In recent decades numerous research topics in the field of subnuclear physics and cosmology have become commonplace and from here his juvenile interest in this field was reborn, which also led him recently to collaborate with an experiment aimed at the study of the Cosmic Microwave Background. His research work was accompanied by a management activity within the National Institute of Nuclear Physics (INFN), of which he was vice president and national coordinator of the ATLAS experiment.

Senior Researcher at the National Institute of Nuclear Physics, teaches Particle Physics at the Università degli Studi di Milano. After a youth as an amateur astronomer and a doctorate in High Energy Physics at Fermilab in Chicago, he was one of the founders of Borexino at the Gran Sasso Laboratory – an experiment that revealed the nuclear reactions responsible for the energy production of our star.  Later, he was the referee of the Virgo experiment, which performed – together with LIGO – the first detection of gravitational waves. He currently leads the QUPLAS experiment for the study of the fundamental laws of quantum mechanics and gravity, which in 2019 demonstrated for the first time the Quantum Interference of antiparticles. He is an amateur observer of Total Solar Eclipses.

Full Professor of Nuclear and Subnuclear Physics at the Università degli Studi di Milano, with research assignement in the Istituto Nazionale di Fisica Nucleare. His activity focuses on the field of Astroparticle and Neutrino Physics. After obtaining his PhD. in France, in the Edelweiss experiment for the study of Dark Matter in the Frejus tunnel, he participated in the Borexino experiment at the Laboratorio del Gran Sasso. He has been leading the Milano group in the Auger experiment in Argentina for the study of Ultra-High-Energy cosmic rays and is a member of the INFN Astroparticle Physics National Committee.