- 2017/04 - 現在 ICT CONNECT 21 President
- 2014/04 - 2020/06 Japan Association for Promotion of Educational Technology President
- 2009/04 - 2015/03 Hakuoh University Facuty of Education professor
- 2001/05 - 2009/03 Adjunct Professor, United Nations University Institute of Advanced Studies
- 2001/04 - 2009/03 Visiting Professor, The Open University of Japan
- 1997/04 - 2009/03 Visiting Professor, Center for Media Education and Development
- 1996/04 - 1999/03 Specialist in Education for Overseas Children, Ministry of Education, Culture, Sports, Science and Technology (MEXT) Higher Education Support Bureau
- 1994/09 - 1995/03 Visiting Professor, Department of Computer Science, University of California, Irvine
- 1991 - -:東京工業大学 教授
- 1988 - -:東京工業大学 助教授
- 1985 - -:東京学芸大学 助教授
- 1981 - -:東京学芸大学 講師
- 1976 - -:静岡県高等学校 教諭
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AACE (Association for the Advancement of Computing in Education) Asia-Pacific Chapter
, 日本理科教育学会
, 日本教育工学会
, 日本科学教育学会
, 教育システム情報学会
, AACE (Association for the Advancement of Computing in Education) Asia-Pacific Chapter
, AI時代の教育学会