SN Business & Economics, Associate editor (April 2016)
Human Development & Capability Association (HDCA), Fellow (Sept. 2004 - )
Ethics and Economics, editor (Sept. 2004 - )
Global Social Welfare Yearbook (Junposha) editor (Sept. 2001 - )
International Association of Traffic and Safety Sciences, “Research into the development of comprehensive support for everyday living coordinated with regional public transit systems” committee member (FY2010 - 2011)
Japan Society for the Promotion of Science (April 2007 - Mar. 2009)
Journal of Human Development (published by UNDP) editor for special issue (Sept. 2007 - Mar. 2008)
Human Development & Capability Association (HDCA), Executive Council Member (2004 - 2006)
Ministry of Education, Culture, Sports, Science and Technology Japan-financed scientific research of priority areas, Project on Intergenerational Equity “Intergenerational Equity and Principles of Cost-sharing in the Context of Global Warming” (April 2000 - Mar. 2005)