Shoichi Yamaguchi was born in Yokohama, Japan, in 1968. He received his B.S. and M.S. degrees from the Department of Physics, the University of Tokyo, in 1990 and 1992, respectively. He worked as a research associate in Kanagawa Academy of Science and Technology from 1992 until 1995 and in the Department of Basic Science, the University of Tokyo, from 1995 to 1997. In 1998, he joined Mitsubishi Chemical Co. as a senior researcher and received his Ph.D. degree from the Department of Chemistry, the University of Tokyo. He worked in Molecular Spectroscopy Laboratory, RIKEN, as a senior research scientist from 2002 until 2014. Now he is a professor in the Department of Applied Chemistry, Saitama University. His fields of current interests include nonlinear spectroscopy, surfaces and interfaces, ultrafast and coherent phenomena, and biological molecular structure.