- 2019/07 - 現在 National Institute for Quantum and Radiological Science and Technology Visiting researcher
- 2019/07 - 現在 Center for Human Nature, Artificial Intelligence, and Neuroscience (CHAIN), Hokkaido University Director
- 2019/04 - 現在 JSPS Research Center for Science Systems Program Officer
- 2019/04 - 現在 Hokkaido University Faculty of Humanities and Human Sciences Professor
- 2019/09 - 2019/09 Kyoto University Graduate School of Letters/ Faculty of Letters Part-time Lecturer (intensive)
- 2018/04 - 2019/03 Hokkaido University Graduate School of Letters Professor
- 2012/04 - 2018/03 Hokkaido University Graduate School of Letters Associate Professor
- 2018/01 - 2018/02 The University of Tokyo Faculty of Letters, Graduate School of Humanities and Sociology Part-time lecturer (intensive)
- 2014/06 - 2014/06 Bergische Universität Wuppertal Philosophisches Seminar Gastprofessor (Erasmus Mundus Master Course)
- 2013/07 - 2013/07 Tohoku University Graduate School/Faculty of Arts and Letters part-time lecturer (intensive)
- 2012/09 - 2012/09 The University of Tokyo Faculty of Letters, Graduate School of Humanities and Sociology Part-time lecturer (intensive)
- 2007/04 - 2012/03 Yamagata University Faculty of Education, Art and Science Associate Professor
- 2006/04 - 2012/03 Nursing College of Yamagata City Hospital Saiseikan Part-time Lecturer
- 2005/10 - 2012/03 Associate Professor,Department of Education,Faculty of Education, Art and Science,Yamagata University
- 2010/08 - 2010/08 Waseda University, Graduate School of Letters Graduate School of Letters, Arts and Sciences Part-time lecturer (intensive)
- 2007/04 - 2010/03 Tohoku University Graduate School/Faculty of Arts and Letters Part-time Lecturer
- 2005/10 - 2007/03 Yamagata University Faculty of Education, Art and Science Associate Professor
- 2005/04 - 2005/09 Keio University Graduate School of Letters Part-time lecturer
- 2004/04 - 2005/09 Waseda University Faculty of Letters, Graduate School of Humanities and Sociology Part-time lecturer
- 1998/08 - 2003/09 DAAD Fellow
- 1999 - 2002 Research Program of the Collegium Philosophiae Transatlanticum (Uni.Wuppertal, Marburg, State Univ. of NY at Stony Brook, Emory Univ. Atlanta) Fellow
- 1996 - 1998 Waseda University Second Faculty of Letters Research Associate
- 1994 - 1996 Postdoctoral Fellowships of Japan Society for the Promotion of Science Postdoctoral Fellow (DC)
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Japanese Association for the Contemporary and Applied Philosophy
, Hokkaido Philosophical society
, NISHIDA PHILOSOPHY ASSOCIATION
, THE JAPAN SOCIETY FOR PROCESS STUDIES
, THE PHILOSOPHICAL ASSOCIATION OF JAPAN
, THE PHENOMENOLOICAL ASSOCIATION OF JAPAN