- 2014/04 - 現在 Kwansei Gakuin Univeristy Graduate School of Language, Communication, and Culture
- 2013/04 - 現在 Kwansei Gakuin University School of Sociology Professor
- 2023/03 - 2024/02 Victoria Unviersity of Wellington (Aotearoa New Zealand) School of Linguistics and Applied Language Studies Researcher
- 2012/04 - 2013/03 Kyoto University Visiting Professor
- 2011/04 - 2013/03 Osaka Prefecture University Professor
- 2007/04 - 2011/03 Osaka Prefecture University Associate Professor
- 2005/04 - 2007/03 Osaka Prefecture University
- 2005/04 - 2006/03 Victoria University of Wellington School of Linguistics and Applied Language Studies Visiting Associate Professor
- 2004/04 - 2005/03 Osaka Women's University
- 2002/04 - 2004/03 Osaka Women's University
- 2002 - 2004 Lecturer, Osaka Women's University
- 2004 - - Associate Professor, Osaka Women's University
- 2000 - 2002 Research Fellow, Kobe Shoin Institute for Linguistic Sciences
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