Giacomo Giorgi is an associate professor at the Department of Civil and Environmental Engineering of the University of Perugia, Italy. He has worked at the Department of Chemical System Engineering at the University of Tokyo, where he was a postdoc and later a senior researcher in the group led by Prof. Koichi Yamashita. He was formerly an assistant professor at the Research Centre for Advanced Science and Technology (RCAST) at the University of Tokyo. His scientific interests focus on the theoretical analysis of materials for solar-to-energy conversion. Koichi Yamashita has been a full professor at the Department of Chemical System Engineering at the University of Tokyo since 1994. He obtained both his undergraduate and graduate degrees at Kyoto University, supervised by Professor Kenichi Fukui. He worked as a postdoctoral fellow with Professor William Miller at the University of California, Berkeley. He has published more than 250 refereed journal articles in the fields of theoretical and computational chemistry.