1976, graduate, Faculty of Social Science, Hitotsubashi University. Joined ZENSEN: Sept. 2002, Member, Central Executive Standing Committee and Director, Policy Bureau, UI ZENSEN; Sept. 2004, Vice-President, UI ZENSEN; Nov. 2012, President, UA ZENSEN. Dec. 2012, Vice-President, JTUC-Rengo (Japanese Trade Union Confederation). Since April 2013, Member, Labour Policy Council, Ministry of Health, Labour and Welfare. Publications including: 1994 International Comparison of Neo Cooperatism - the Search for a New Political and Economic Model.