Sergio Pizzini, PhD, is full professor of physical Chemistry, author of more than 250 papers published in international journals with peer review and of five books, addressed at semiconductor science and technology, published by Wiley and CRC Press. His primary expertise is on physical Chemistry of inorganic materials and of semiconductor silicon. He was for several years head of research at the European Centers of research of Ispra (Italy) and then Petten (The Netherlands), as well as Director of the Materials Department of the Istituto Donegani (Novara, Italy) before being appointed as Associated Professor at the Milano University. He served the University of Milano-Bicocca, until his retirement, as full professor, as teacher, researcher, head of a PhD school and responsible of the international teaching affairs of the University.