- 2024/04 - 現在 Committee to promote citizen activity of Osaka City committee member
- 2019/04 - 現在 Shizuoka Prefectural Government Chairman of the Research Committee for Public Records and Archives Management
- 2012/05 - 現在 Shizuoka Prefecture Specialist member of editing committee of history of Shizuoka Prefecture
- 2018/06 - 2026/03 Shizuoka Prefecture Promotion of Public management
- 2013/05 - 2022/05 NPO support Shimizu Inspector of NPO support Shimizu
- 2012/06 - 2022/05 Committee member of Shizuoka Regional Study Association
- 2018/04 - 2021/03 独立行政法人高齢・障害・求職者雇用支援機構静岡支部運営協議会委員長
- 2016/08 - 2021/03 Council member of information protection of identity verification, Shizuoka Prefecture
- 2011/05 - 2021/03 Shizuoka City Council member of Promoting Citizen Autonomy in Shizuoka City
- 2018/10 - 2019/03 「安全が担保され生活困窮者が利用しやすいフードバンク体制の確立事業」運営委員会委員長(総務省事業、受託団体:NPO法人POPOLO)
- 2016/04 - 2019/03 Chairman of Referee Committee of pilot program for collaboration, Shizuoka City
- 2015/05 - 2019/03 Shizuoka City Committee of Promotion of Citizen Activities, Shizuoka City
- 2017/08 - 2018/08 Chairman of Shizuoka Regional Study Association
- 2012/06 - 2018/06 Committee member of Public Policy Studies Association Japan
- 2004/01 - 2018/05 Inspector of Institute of Hyogo Machi Kurashi
- 2014/06 - 2016/02 Public Policy Studies Association JAPAN Chairman, the Committee of Annual Journal of Public Policy Studies Association JAPAN
- 2014/04 - 2015/03 Chairman of the fifth Suruga-ward residential committee, Shizuoka City
- 2013/06 - 2013/10 Instructor of policy research seminar, staff training of Shizuoka Prefectural Government
- 2011/05 - 2013/05 Shizuoka Prefecture Referee Committee Member of Fujinokuni NPO Fund
- 2012/05 - 2013/03 Referee Committee member of private child care support program, Shizuoka Prefecture
- 2012/02 - 2012/03 Mishima City Chairman of committee for operating the designated manager system in Mishima City
- 2011/05 - 2012/03 Chairman of committee of Iwata City General Plan
- 2011/04 - 2012/03 静岡県東部地域交流プラザ運営管理委員会委員
- 2001/04 - 2012/03 Board of director, NPO (Non-profit Organization) Fukuoka
- 2010/04 - 2011/03 静岡県地域交流プラザ指定管理者選定委員会委員
- 2009/04 - 2011/03 岡山県ボランティア・NPO活動支援センター「地域資源調査」アドバイザー
- 2009/04 - 2010/03 Referee Committee Member of Hyogo Voluntary Fund
- 2008/04 - 2010/03 岡山県シニア・アクティブライフ講座企画審査会委員
- 2008/06 - 2009/03 Okayama Prefectures’ Advisor of Youth Challenge Forum
- 2008/04 - 2009/03 Referee Committee Member of Mimasaka Yumedukuri Collaborative Program, Okayama Prefectural Government
- 2009 - 2009 Referee Committee Member of city promoting fund, Utazu city in Kagawa Prefecture
- 2009 - 「地域間連携や多様な主体の連携のための仕組みづくりに関する調査検討委員会」(国土交通省広域ブロック自立施策等推進調査)委員
- 2007/09 - 2008/03 Chairman of the Committee of Partnership Guideline, Kurashiki City
- 2008 - 2008 岡山市 市民事業仕分け評価者
- 2004/05 - 2005/03 Chairman of the Fukuoka Regional Committee of Worker’s Multi Life Support Program, Ministry of Health, Labour and Welfare
- 2001/09 - 2005/03 A member of Vision Committee of Hyogo North Hanshin Region
- 2002/10 - 2004/03 Chairman of Master Plan Committee, Higashi (East) Ward, Fukuoka City
- 1997/04 - 2001/03 A member of Journal Editing Committee of the Local Think Tank Council
- 1997/11 - 1998/12 A member of NPO (Non-profit Organization) Working Group in the Economic Entity Role Committee, Economic Planning Agency
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The International Society for Third-Sector Research (ISTR)
, Japan Association for Community Policy
, Public Policy Studies Association Japan
, Japan Association for Social and Economic Systems
, The Japanese Society for Public Administration
, Japan Association for Planning Administration
, Japan NPO Research Association