2018 -2019 Guest Professor and Researcher, Faculty of Economics, Business and Law, University of Erlangen-Nuernberg, Germany
(From April 2018 to March 2019)
2015- 2017 Chairperson, the Organizing Committee of the International Metropolis Conference 2016 in Aichi-Nagoya
2013-15 President of the Japan Association for Migration Policy Studies
2005-2013 Director of the Research Center of Economies with Low Fertility, Kwansei Gakuin University
1999/2004 Guest Professor, Faculty of Economics and Social Sciences, University ofLille 1, France
2001-2002 Guest Researcher, Max-Planck-Institute for I.A.S.R. in Munich, Germany
2022- Professor emeritus of Kwansei Gakuin University
1997-2022 Professor of Economics, KwanseiGakuinUniversity
1995-1997 Associate Professor of Economics, Kwansei Gakuin University
2005-2010 Special Member of the Council on Regulatory Reform, Cabinet Office, Government of Japan
2006- 2009 Special Member of the Study Committee on Labor Market Reform, Council on Economic and Fiscal Policy, Cabinet Office, Government of Japan
1995-2001, 2002-2013 Chairperson of the Council on Working Life, Nishinomiya-City
2002- Advisor for the Alliance of Municipalities with high density of Foreign Inhabitants, Japan
2001- Member of Hyogo Regional Committee on Labor Policy, Hyogo Labor Bureau
1992-1995 Director for Foreign Workers' Affairs, Ministry of Labor, Government of Japan
1992-1995 Correspondent of Japan to the Continuous Reporting System on Migration, OECD
1992-1994 Negotiator (Labor Expert) of the Government of Japan in the Uruguay Round on Trade in Services
1976-1995 Official, Ministry of Labor, Japan