- 2024/01 - 現在 IEEE Systems, Man, and Cybernetics Society Vice President
- 2023/06 - 現在 Japan Society for Fuzzy Theory and Intelligent Informatics Vice President
- 2012/04 - 現在 計測自動制御学会 社会システム部会・幹事
- 2010/04 - 現在 進化計算学会 論文誌編集委員会委員
- 2022/05 - 2023/12 IEEE Systems, Man, and Cybernetics Society Vice President
- 2020/10 - 2022/09 The Japanese Society for Evolutionary Computation Editor in Chief
- 2020/10 - 2022/09 The Japanese Society for Evolutionary Computation President
- 2021/01 - 2022/04 IEEE Systems, Man, and Cybernetics Society Associate Vice President for Cybernetics
- 2018/01 - 2020/12 IEEE Systems, Man, and Cybernetics Society Board of Governors
- 2018/10 - 2020/09 The Japanese Society for Evolutionary Computation Vice President
- 2017/01 - 2019/12 IEEE Systems, Man, and Cybernetics Society Board of Governors
- 2013/10/01 - 日本知能情報ファジィ学会・将来構想委員会委員
- 2012/04/01 - 2013/09/30 進化計算学会 理事(表彰担当)
- 2010/04/01 - 2012/03/31 進化計算学会 理事(研究会担当)
- 2009/01 - 2010/12 Japan Society fo rFuzzy Theory and Intelligent Informatics Editorial Member of Journal of Japan Society for Fuzzy Theory and Systems
- 2007/06 - 2009/05 システム制御情報学会 論文誌編集委員会・委員
- 2005/01/01 - 2008/12/31 Chair, Technical Committee on Soft Computing, IEEE Systems, Man, and Cybernetics Society
- 2007/12 - 2008/05 システム制御情報学会 論文賞表彰委員会
- 2001/10/01 - 2006/09/30 Japan Society fo rFuzzy Theory and Intelligent Informatics Editorial Member of Journal of Japan Society for Fuzzy Theory and Systems
- 2000/04/01 - 2005/03/31 Japan Industrial Management Association Chair of Division of Computational Intelligence, Japan Industrial Management Association
- 2002/04/01 - Japan Society fo rFuzzy Theory and Intelligent Informatics Chair of Division of Fuzzy Computing, Japan Society for Fuzzy Theory and Systems
- 2002/01/01 - Member, Technical Committee on Soft Computing, IEEE Systems, Man, and Cybernetics Society
- 1998/04 - 2000/08 Japan Society fo rFuzzy Theory and Intelligent Informatics Treasurer of Division of Evolutionary Computation, Japan Society for Fuzzy Theory and Systems
- 1998/04/01 - 2000 Japan Society fo rFuzzy Theory and Intelligent Informatics Editorial and Publicity Committee, ”Fuzzy and Soft Computing Handbook” (in Japanese)
- 1999/04/01 - Japan Society fo rFuzzy Theory and Intelligent Informatics Chair of Division of Fuzzy Operatios Research, Japan Society for Fuzzy Theory and Systems