Prof. Takeuchi obtained M.Agr. and Ph.D. from the Graduate School of Agriculture, the University of Tokyo. He held positions as Professor at the Asian Natural Environmental Science Center, and at the Graduate School of Agricultural and Life Science, the University of Tokyo. He also served as a Vice-Rector and Senior Vice-Rector at the United Nations University from 2008 to 2016. He has been Director and Professor/Project Professor of the Integrated Research System for Sustainability Science (IR3S), the University of Tokyo since 2012. He took up the position as President at the Institute for Global Environmental Strategies (IGES) in July 2017.