| 2010 -- (現在) | International Journal of Advanced Intelligence Paradigms (IJAIP) | Guest Editor |
| 2010 -- 2011 | Japan Statistical Society | Director |
| 2011 -- (現在) | 6th International Symposium Advances in Arti cial Intelligence and Applications | Member of Program Committee |
| 2003 -- 2012 | the Japan Society for Fuzzy Theory and Intelligent Informatics | Member of Editorial Board for the Journal of the Japan Society for Fuzzy Theory and Intelligent Informatics |
| 2009 -- 2012 | The 2nd Institute of Mathematical Statis- tics Asia Paci c Rim Meeting | Member of Local Organizing Committee |
| 2012-01 -- 2012-12 | The IEEE International Conference on Fuzzy Systems | Member of Program Committee |
| 2011 -- 2012 | Japan Statistical Society | Member of the Planning and Events Committee in Japan Statistical Society |
| 2011 -- 2012 | Joint Convention of Statistical Societies | Vice Chair of the Steering Committee in Joint Convention of Statistical Societies |
| 2009-01 -- 2013-12 | International Association for Statistical Computing (a Section of the International Statistical Institute) | Council of International Association for Statistical Computing (a Section of the International Statistical Institute) |
| 2011-01 -- 2013-12 | the IEEE Computational Intelligence Society | Vice Chair of the Fuzzy Systems Technical Committee (FSTC) of the IEEE Computational Intelligence Society |
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