- 2022/04 - 現在 The University of Kitakyushu Center for Fundamental Education Professor
- 2019/10 - 現在 Waseda University, Institute of Nationalism and Ethnicity, Visiting Researcher
- 2022/04 - 2022/06 Foreign Service Training Institute Lecturer (Slovak Language, part-time)
- 2021/10 - 2022/03 Seinan Jo Gakuin University Junior College Lecturer(part-time)
- 2013/04 - 2022/03 The University of Kitakyushu, Center for Fundamental Education, Associate Professor
- 2019/10 - 2020/03 Seinan Jo Gakuin University Lecturer(part-time)
- 2016/09 - 2017/08 Central European University (Hungary) Center for Policy Studies, Visiting Research Fellow
- 2013/10 - 2017/03 National Museum of Ethnology, Project Researcher
- 2011/04 - 2013/03 The University of Kitakyusyu, Center for Fundamental Education, Lecturer(full time)
- 2008/10 - 2012/03 National Museum of Ethnology, Project Researcher
- 2010/03 - 2010/06 Foreign Service Training Institute, Lecturer (Slovak Language, part-time)
- 2007/04 - 2009/03 Japan Society for the Promotion of Science, Research Fellowship for Young Scientists
- 2007/02 - 2007/09 Slovak Academy of Science Institute of ethnology, Research Affiliate
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The Japanese association for East European History
, 日本EU学会
, European Association of Social Anthropologist
, ハンガリー学会
, American Anthropological Association
, The Japan Sociological Society
, THE JAPANESE SOCIETY OF CULTURAL ANTHROPOLOGY
, THE JAPANESE ASSOCIATION FOR RUSSIAN AND EAST EUROPEAN STUDIES