- 1998 - 2003 Professor, Faculty of Engineering, Kyushu
- 1998 - 2003 Kyushu Institute of Technology School of Engineering
- 2003 - Professor, Graduate School of Human Sciences,
- 2003 - - 大阪大学人間科学研究科 教授
- 1988 - 1998 Associate Professor, Faculty of Engineering,
- 1988 - 1998 Kyushu Institute of Technology School of Engineering
- 1989 - Visiting Scholar, University of Michigan
- 1989 - - 米国ミシガン大学 客員研究員
- 1985 - 1988 Lecturer, Faculty of Engineering, Kyushu
- 1985 - 1988 Kyushu Institute of Technology School of Engineering
- 1985 - Research Associate, Faculty of Human Sciences,
- 1985 - - 大阪大学人間学部 助手
- Kyushu Institute of Technology
- Institute of Technology
- Osaka University
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Japanese Association for Mathmatical Sociology
, The Kyushu Psychological Association
, The Japanese Group Dynamics Association
, The Japanese Society of Social Psychology
, The Japanese Psychological Association
, 社団法人日本心理学会
, 数理社会学会
, 九州心理学会
, 日本グループ・ダイナミックス学会
, 日本社会心理学会
, 日本心理学会