- 2024/04 - 現在 Ohtsuki City College Department of Economics Associate Professor
- 2022/04 - 現在 Chuo University Graduate School(Master's Program) Graduate School of Letters Part-time Lecturer
- 2020/10 - 現在 Tokyo University of Foreign Studies Graduate School of Global Studies Part-time Lecturer
- 2017/07 - 現在 Rikkyo University Centre for Asian Area Studies Specially Appointed Researcher
- 2017/04 - 現在 Rikkyo University Part-time lecturer
- 2021/04 - 2024/03 Ohtsuki City College Department of Economics Assistant Professor
- 2019/04 - 2023/03 Daito Bunka University Faculty of Arts Part-time Lecturer
- 2021/04 - 2022/09 Hitotsubashi University Graduate School of Language and Society
- 2019/04 - 2022/03 Kanagawa University
- 2018/09 - 2021/03 Chuo University
- 2017/10 - 2021/03 Tokyo University of the Arts Graduate School of Global Arts Postdoctoral Researcher
- 2013/10 - 2021/03 Shumei University Part-time lecturer
- 2016/04 - 2020/03 Atomi High School Part-time teacher
- 2016/10 - 2019/03 Hitotsubashi University Graduate School of Language and Society Postdoctoral Researcher
- 2017/08 - 2017/08 Okayama University
- 2013/04 - 2016/03 Japan Society for the Promotion of Science Research Fellow (PD)
- 2011/04 - 2013/03 Japan Society for the Promotion of Science Research Fellow (DC)
- 2011/09 - 2011/12 Department of History, National University of Singapore Visiting Fellow
- 2007/04 - 2011/03 Urawa Jitsugyo Gakuen High School, Saitama, Japan Part-time Teacher
- 2010/11 - 2011/01 Center for Global Education, Hitotsubashi University Individual tutor for helping international students with their MA theses
- 2010/05 - 2010/07 Hitotsubashi University Teaching Assistant
- 2009/11 - 2010/01 Center for Student Exchange, Hitotsubashi University Individual tutor for helping international students with their MA theses
- 2006/04 - 2007/04 Urawa Jitsugyo Gakuen High School, Saitama, Japan Teacher
- 2004/04 - 2006/03 Johoku Gakuen High School, Tokyo, Japan Part-time Teacher
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European Association for Japanese Studies
, Inter-Asia Cultural Studies Society
, 高大連携歴史教育研究会
, Rekishigakkai (Historical Science Society)
, Japan Association for Malaysian Studies
, JAPAN SOCIETY OF EDUCATIONAL HISTORY IN ASIA
, 洋楽文化史研究会
, The Japan Society for Historical Studies of Colonial Education
, JAPAN SOCIETY FOR SOUTHEAST ASIAN STUDIES
, THE HISTORICAL SOCIETY OF RIKKYO UNIVERSITY