| 1988.4
- 1999.3 |
International Education Coordinator, Academic Affairs Office, International Programs Office, Toyo University |
| 2000.6
- 2002.5 |
Graduate Assistant, Office of International Education, State University of New York at Buffalo |
| 2002.6
- 2007.3 |
Assistant Professor, Graduate School of Commerce and Management, Hitotsubashi University |
| 2003.4
- |
Visiting Scholar, International Center, Hiroshima University |
| 2003.4
- 2010.3 |
Adjunct Professor, International Student Exchange Program, Tokyo University of Foreign Studies |
| 2005.4
- 2010.3 |
Research Advisor, JSPS Project Team fof Supporting University Internationalization, Japan Society for Promotion of Science |
| 2007.4
- 2009.10 |
Associate Professor, Office for the Promotion of International Relations, Hitotsubashi University |
| 2007.4
- 2011.3 |
Visiting Scholar, Research Institute for Higher Education, Hiroshima University |
| 2009.11
- 2010.1 |
Professor, Office for the Promotion of International Relations, Hitotsubashi University |
| 2010.2
- 2018.7 |
Professor, Center for Global Education, Hitotsubashi University |
| 2011.4
- |
Professor, Graduate School of Language and Society, Hitotsubashi University |
| 2011.4
- |
Research Associate, Research Institute for Independent Higher Education, Association of Private Universities of Japan |
| 2011.9
- |
Visiting Scholar, Research Institute of International and Diversity Education, Meiji University |
| 2013.4
- |
Vice President, -, Japan Association for International Student Education |
| 2014.2
- 2014.3 |
Visiting Professor, Japanese Area Studies, Postgraduate Program, University of Indonesia |
| 2014.4
- |
Visiting Scholar, Japan Student Services Organization |
| 2014.4
- 2018.9 |
Adjunct Professor, Graduate School of Higher Education Administration, J. F. Oberlin University |
| 2015.1
- 2015.2 |
Visiting Professor, Japanese Area Studies, Postgraduate Program, University of Indonesia |
| 2015.8 |
Visiting Professor, Faculty of Management, Economics and Social Sciences, University of Cologne |
| 2015.9
- 2016.1 |
Adjunct Professor, Department of University Management and Policy Studies, Graduate School of Education, The University of Tokyo |
| 2016.8 |
Visiting Professor, Faculty of Management, Economics and Social Sciences, University of Cologne |
| 2017.2
- |
Researcher, Centre for Internationalization of Higher Education (CHEI), Universita Cattolica del Sacro Cuore |
| 2018.8
- |
Professor, Mori Arinori Institute for Higher Education and Global Mobility Research and Development Center for Higher Education, Hitotsubashi University |
| 2021.10
- |
Part-time Lecturer, Tokyo Tama Study Center, The Open University of Japan |
| 2021.7
- |
Specially Appointed Visiting Professor, Tohoku University |
