| 2013-04 -- 2016-03 | 日本統計学会 | 代議員 |
| 2012-04 -- 2016-03 | 日本知能情報ファジィ学会 | 理事 |
| 2015 -- (現在) | Examiner of phd thesis at the University of South Australia | Examiner of phd thesis at the University of South Australia |
| 2013 -- 2014 | 日本学術振興会科学研究費助成事業第１段審査委員 | 日本学術振興会科学研究費助成事業第１段審査委員 |
| 1996 -- (現在) | the Australian New Zealand Conference on Intelligent Information Systems | Member of the Editorial Board in the Australian New Zealand Conference on Intelligent Information Systems |
| 1996 -- (現在) | the International Panel Conference on Soft and Intelligent Computing | Member of the Organizing Committee for the International Panel Conference on Soft and Intelligent Computing, Budapest |
| 1997 -- (現在) | the First International Conference on Knowledge-based Intelligent Engineering Systems | Member of the Review Board for the First International Conference on Knowledge-based Intelligent Engineering Systems, Adelaide |
| 1997 -- 1998 | the Japan Society for Fuzzy Theory and Systems | Member of Public Information Committee for the Japan Society for Fuzzy Theory and Systems |
| 1998 -- (現在) | the IEEE International Conference on Systems, Man and Cybernetics | Member of the Panel of Judges for the Best Student Paper Competition in the IEEE International Conference on Systems, Man and Cy |
| 1998 -- (現在) | the Second International Conference on Knowledge-based In- telligent Electronic Systems | Publicity Chair in the Second International Conference on Knowledge-based In- telligent Electronic Systems, Adelaide |
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