1970, graduate, Faculty of Applied Physics, Tokyo Institute of Technology; 1971, passed Patent Attorney exam. 1980, Member, House of Representatives including, 1993, Chairman, Committee on Foreign Affairs; 1996, Minister of Health and Welfare; 1998; President, Democratic Party of Japan (DPJ); 1999, Chairman, Policy Research Council, DPJ; 2000, Secretary-General, DPJ; 2002, President, DPJ; 2006, Vice-President, DPJ; 2008, Lead Director, Committee on Budget, House of Representatives; 2009, Deputy Prime Minister, Minister of State for National Policy, Minister of State for Economic and Fiscal Policy and Minister of State for Science and Technology Policy; 2010, Deputy Prime Minister, Minister of Finance and Minister of State for Economic and Fiscal Policy; 2010-2011, Prime Minister.