- 2015/04 - 現在 Graduate School of Medicine, Hokkaido University assistant professor
- 2023/04 - 2024/03 Tohoku University The Faculty of Arts and Letters part-time lecturer
- 2022/10 - 2023/03 Tohoku University The Faculty of Arts and Letters
- 2021/10 - 2022/03 Tohoku University The Faculty of Arts and Letters
- 2012/04 - 2015/03 Graduate School of Medicine, Hokkaido University postdoctoral resaerch fellow
- 2011/05 - 2012/03 Section of Social Education, Atsuma Board of Education, Atsuma Town, Hokkaido
- 2011/08 - 2011/08 Tokyo Metropolitan University part-time lecturer
- 2009/04 - 2011/04 Section of Cultural Heritage Management, Zao Board of Education, Zao Town, Miyagi Prefecture, Japan
- 2008/12 - 2010/11 University of New Mexico Department of Anthropology adjunct assistant professor
- 2008/08 - 2008/12 Office of Contract Archeology, University of New Mexico crew chief/lithic analyst
- 2008/02 - 2008/07 TRC Companies, Inc. crew chief
- 2006/08 - 2007/05 University of New Mexico Department of Anthropology graduate assistant
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JAPANESE PALAEOLITHIC RESEARCH ASSOCIATION
, Society for American Archaeology
, JAPAN ASSOCIATION FOR QUATERNARY RESEARCH
, 北海道考古学会