Kensei KOBAYASHI, Professor Emeritus, Yokohama National University. Graduated from Graduate School of University of Tokyo, Japan in 1982, and obtained degree (Dr. Sci.). 1982-1986: Research Associate, University of Maryland, U.S.A., 1986-1987: Tokyo Institute of Technology, Japan, 1987-: Yokohama National University, Japan (2003-2020: Professor, 2020-: Professor Emeritus). Current research interest is astrobiology, especially on prebiotic synthesis of bioorganic compounds in terrestrial and extraterrestrial environments. Member of ISSOL: The International Astrobiology Society, European Astrobiology Network Association, American Chemical Society, Japanese Geoscience Union and many others.