- 2024/04 - 現在 Nanzan University Faculty of Foreign Studies Department of German Studies Associate Professor
- 2022/04 - 現在 Nanzan University Center for European Studies Research Fellow
- 2020/08 - 現在 Waseda University Institute for European Medieval and Renaissance Studies Adjunct Researcher
- 2020/05 - 現在 Waseda University Historical Institute for European Civilization Adjunct Researcher
- 2021/04 - 2024/03 Nanzan University Faculty of Foreign Studies Department of German Studies Assistant Professor
- 2020/04 - 2022/03 Chuo University The Institute of Cultural Sciences Guest researcher
- 2020/04 - 2021/03 Japan Society for the Promotion of Science Postdoctoral Fellow
- 2019/04 - 2021/03 Rikkyo University College of Economics Part-time Lecturer
- 2020/04 - 2020/09 Waseda University Faculty of Letters, Arts and Sciences Part-time Lecturer
- 2018/09 - 2020/03 Waseda University, Faculty of Letters, Arts and Sciences Department of Western History Assistant Professor (without tenure)
- 2018/04 - 2020/03 The Institute for the History of European Civilization, Waseda University
- 2018/04 - 2018/08 Faculty of Letters, Arts and Sciences, Waseda University Western History Research Associate
- 2017/04 - 2017/07 Stipendium der Graduiertenakademie der TU Dresden Scholarship student
- 2013/10 - 2017/03 German Academic Exchange Service (DAAD) Long term scholarship Scholarship student
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Verband der Deutschlehrenden in Japan
, 世界史研究会
, Nanzan Academic Society
, The Historical Society of Waseda University
, THE HISTORICAL SOCIETY OF JAPAN
, 日本ハンザ史研究会
, 日本西洋史学会
, THE TOKYO STUDYGNOUP IN CUNPARATIVE UIBAN HISTORY
, 早稲田大学西洋史研究会