Prof. Mario Clerici is the Director of the Department of Medical-Surgical Pathophysiology and Transplantation at the University of Milan and the Chief Scientific Officer of IRCCS SM Nascente at the Don C. Gnocchi Foundation. He graduated from medical school at the University of Milano and trained for more than 6 years at the NIH in Bethesda. In the meantime, he received a PhD in internal medicine. He became an Associate Professor of Immunology at the University of Milano in 1993 and was promoted to Full Professor in 1999. He has directed the Ph.D. School in Molecular and Translational Medicine at the University of Milano from 2008 to 2017. He has been awarded National and International prizes, is a knight (Commendatore) of the Italian Republic, and is an ISI highly cited scientist. During his career he has conducted research in numerous fields, from the pathogenesis of communicable diseases to regenerative and transplantation medicine and the study of chronic neurodegenerative, metabolic, and cardiovascular diseases.