- 2022/05 - 現在 The Japanese Society for Public Administration executive board member
- 2022/05 - 2024/05 The Japanese Society for Public Administration organization and finance committee chair
- 2020/05 - 2022/05 The Japanese Society for Public Administration auditor
- 2019/06 - 2020/06 Public Policy Studies Association, Japan chair, board member candidate recommendation committee
- 2014/06 - 2020/06 Public Policy Studies Association, Japan executive board member
- 2016/05 - 2020/05 The Japanese Society for Public Administration executive board member
- 2016/05 - 2018/05 The Japanese Society for Public Administration journal editorial committee chair
- 2015/12 - 2017/06 Public Policy Studies Association, Japan award selection committee member, subcommittee chair of public administration and local government division
- 2014/05 - 2016/05 The Japanese Society for Public Administration journal editorial committee member
- 2013/12 - 2015/06 Public Policy Studies Association, Japan subcommittee member of public administration and local government division, award selection committee
- 2012/05 - 2014/05 The Japanese Society for Public Administration program committee member
- 2009/05 - 2012/11 Japan Association for the Study of Local Government program committee member
- 2006/10 - 2008/12 Japanese Political Science Association journal committee member for Issue 2008(2)
- 2005/12 - 2007/06 Public Policy Studies Association, Japan award selection committee; subcommittee member of public administration and local government division
- 2001 - 2004 Japan Association for the Study of Local Government program committee member/
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Public Policy Studies Association, Japan
, Japanese Political Science Association
, The Japanese Society for Public Administration
, Japan Association for the Study of Local Government