1974, BEng in Environmental Planning, University of Tokyo; 1992, Master's in International Public Policy, SAIS, Johns Hopkins University; 1995, Research Scholar, International Institute for Applied Studies Analysis. 1989, Environmental Specialist, Asia Technical Department, World Bank. With Ministry of Environment, Japan: 1992, Director, Environmental Information; 1993, Director, Global Environmental Research Office; 1996, Senior Adviser, Global Environment Department; 1998, Director, External Affairs, Minister's Secretariat; 1999, Director, Global Environmental Protection Division; 2001, Counsellor, Minister's Secretariat; 2002, Director, Waste Management Division; 2003, Deputy Director-General, Global Environment Bureau; 2005, Director-General, Environmental Management Bureau; since 2008, current position.