- 2016/04 - 現在 Sophia University Graduate School of Languages and Linguistics Master's (Doctoral) Program in Linguistics
- 2013/04 - 現在 Sophia University SRO Research Institutes Division Linguistic Institute for International Communication
- 2014/04 - 2016/03 Sophia University
- 2013/04 - 2014/03 Sophia University Faculty of Foreign Studies Linguistics Program
- 2009/04 - 2013/03 Tokyo University of Science Faculty of Science, Division 1
- 2007/04 - 2013/03 Sophia University SRO Research Institutes Division Linguistic Institute for International Communication
- 2010/04 - 2010/09 Sophia University Faculty of Foreign Studies
- 2008/04 - 2009/03 Aoyama Gakuin University School of International Politics, Economics and Communication
- 2007/04 - 2009/03 Japan Society for the Promotion of Science
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