- 2024/04 - 現在 Senshu University Department of Japanese Language and Linguistics, School of International Communication Head of Department
- 2020/04 - 現在 Senshu University Department of Japanese Language and Linguistics, School of International Communication, Senshu University Professor
- 2019/04 - 2022/03 National Institute for Japanese Language and Linguistics Spoken Language Division
- 2019/04 - 2020/03 Senshu University School of Letters Professor
- 2017/04 - 2019/03 National Institute for Japanese Language and Linguistics Spoken Language Division
- 2016/04 - 2019/03 Senshu University School of Letters Associate Professor
- 2011/10 - 2016/03 National Institute for Japanese Language and Linguistics Associate Professor
- 2014/04 - 2015/04 University of Oxford Faculty of Oriental Studies Academic Visitor
- 2013/03 - International Christian University Graduate School, School of Arts and Sciences
- 2009/10 - 2011/09 大学共同利用機関法人 人間文化研究機構 国立国語研究所 言語資源研究系 助教
- 2006/04 - 2009/09 Independent Administrative Institution : The National Institute for Japanese Language Department of Language Research
- 2004/04 - 2006/03 Independent Administrative Institution : The National Institute for Japanese Language Department of Language Research
- 2001/10 - 2004/03 Advanced Telecommunications Research Institute International
- 2000/03 - 2001/10 株式会社 ATR音声言語通信研究所 客員研究員
- 2000/03 - Kobe City University of Foreign Studies Graduate School of Foreign Studies
- 1997/03 - Kobe City University of Foreign Studies Graduate School of Foreign Studies
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