Masahide Terazima is Professor at the Graduate School of Science, Kyoto University, Kyoto, Japan. He obtained his B.Sc. in Department of Chemistry, Faculty of Science, Kyoto University in 1982, and completed his Ph.D. at the Graduate School of Science, Kyoto University in 1987. He became an Assistant Professor at the Faculty of Science, Tohoku University at Sendai in 1986. He joined the Faculty of Science, Kyoto University in 1990 and was promoted to full professor in 2001. His current research interests include the development of new methods to study the reaction mechanisms of biological proteins, and for the direct detection of energy and conformation of reactive species in time domain.