- 2004/04 - 現在 Kansai University Doctoral Program in Education, Graduate School of Letters Professor
- 2004/04 - 現在 Kansai University Master's Program in Education, Graduate School of Letters Professor
- 2004/04 - 現在 Kansai University Faculty of Letters Professor
- 2018/04 - 2022/03 Japan Society for the Promotion of Science Research Center for Science Systems Program Officer
- 2016/08 - 2016/08 Research Fellow of Researcher Exchange Program of the Japan Society for the Promotion of Sciences (JSPS)/Visiting Scholar, Learning Sciences Institute Australia (LSIA), Australian Catholic University, Australia
- 2013/07/01 - 2014/03/31 Visiting Scholar, Graduate School of Education & Information Studies (GSE&IS), University of California, Los Angeles (UCLA), USA
- 2013/04/01 - 2013/06/30 Visiting Scholar, Center for Research on Activity, Development and Learning (CRADLE), University of Helsinki, Finland
- 2005/04 - 2010/03 Kansai University Center for Human Activity Theory (CHAT) Director
- 2002/04 - 2004/03 Kansai University Graduate School of Letters: Master Course Associate Professor
- 2002/04 - 2004/03 Kansai University Faculty of Letters Associate Professor
- 1997/04 - 2002/03 Osaka University of Education Graduate School of Education: Master Course Associate Professor
- 1997/04 - 2002/03 Osaka University of Education Faculty of Education Associate Professor
- 1998/01 - 1998/03 Visiting Scholar, Department of Education, Washington University, USA
- 1993/04 - 1997/03 Osaka University of Education Graduate School of Education: Master Course Lecturer
- 1992/04 - 1997/03 Osaka University of Education Faculty of Education Lecturer
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International Society of the Learning Sciences(ISLS)
, European Group for Organizational Studies (EGOS)
, Japanese Association for Research on Activity Theory (JARAT)
, International Society of Cultural-historical Activity Research (ISCAR)
, The Japanese Society for Curriculum Studies
, National Association for the Study of Educational Methods
, Japanese Educational Research Association