- 2011/03 - 現在 Administrative Roundtable, Ehime Administrative Monitoring and Administrative Consultation Center Member
- 2018/10 - 2025/10 The Japan Society of Transportation Economics Councilor
- 2019/06 - 2025/05 Shikokuchuo City, the Selection Evaluation Committee for the Designated Administrators Member
- 2023/06 - 2024/03 Seiyo City Seiyo City Designated Administrator Selection and Evaluation Committee, Chairperson
- 2022/11 - 2023/10 The Japan Society of Transportation Economics 2023 JSTE Annual Conference Organizing Committee Chair
- 2023/08 - 2023/08 The city of Matsuyama Selection Committee for the Research and Study Commission for the Restructuring of the Matsuyama City Wholesale Markets - Committee External Experts
- 2021/01 - 2023/07 Air Transport Research Society Local organizing committee member (26th ATRS World Conference)
- 2022/07 - 2023/03 Seiyo City Seiyo City Designated Administrator Selection and Evaluation Committee, Chairperson
- 2016/06 - 2022/06 Public Policy Studies Association Japan Director
- 2020/07 - 2021/06 Public Policy Studies Association Japan Chair of the Planning Committee of the PPSAJ Annual Research Conference
- 2019/10 - 2021/03 Niihama City, the Long-Term Comprehensive Planning Council Member
- 2020/01 - 2020/06 Public Policy Studies Association Japan Chair of the Scientific Committee
- 2019/01 - 2019/12 Public Policy Studies Association Japan Member of the Scientific Committee; Chair of the Subcommittee on Mathematical and Statistical Review
- 2017/06 - 2019/03 Public Policy Studies Association Japan Chair of the PPSAJ Prize Selection Subcommittee on Economics and Finance
- 2017/10 - 2018/06 Public Policy Studies Association Japan Conference Planning Committee Member (2018)
- 2017/07 - 2018/06 International Transportation Economics Association Scientific Committee Member (2018)
- 2017/09 - 2017/09 Matsuyama City, the Proposal Review Committee for the Contractor of the PFI Feasibility Study regarding Municipal Housing Reconstruction External Expert
- 2016/01 - 2017/05 Public Policy Studies Association Japan Member of the PPSAJ Prize Selection Subcommittee on Economics and Finance
- 2015/04 - 2016/03 Matsuyama City, the Council for the Public Facilities Management Member
- 2014/08 - 2015/03 Matsuyama City, Public Facilities Management Council Vice Chair
- 2013/08 - 2015/03 Shikokuchuo City, the Selection Evaluation Committee for the Designated Administrators Chair
- 2014/04 - 2014/06 Airport Slot Study Group, Civil Aviation Bureau, Ministry of Land, Infrastructure, Transport and Tourism Member
- 2014/05 - 2014/05 Matsuyama City, the Selection Committee for the Contractor of the Public Facility Reorganization Plan Formulation Member
- 2013/12 - 2014/02 Study Group on Mixed-type Public Facility Management Projects, Policy Bureau, Ministry of Land, Infrastructure, Transport and Tourism (MLIT) Member
- 2013/06 - 2013/12 Niihama City, the Policy Roundtable Observer
- 2011/04 - 2012/03 Japan Political Science Association Member of the Book Review Committee
- 2008/09 - 2008/12 Matsuyama City, the Selection Committee for the Designated Manager of Nakanokawa Underground Parking Chair
- 2008/09 - 2008/12 Matsuyama City, the Selection Committee for the Designated Manager of Municipal Housing Chair
- 2008/09 - 2008/12 Matsuyama City, the Selection Committee for the Contractor of Evacuee Arrears Collection Services Member
- 2005/02 - 2005/11 Niihama City, the Review Committee for the Introduction of the New Core Business System Member
- 2000/04 - 2001/03 Ehime Regional Minimum Wage Council Member
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International Political Science Association (IPSA)
, Regional Science Association International (RSAI)
, APPLIED REGIONAL SCIENCE CONFERENCE
, THE JAPAN SOCIETY OF TRANSPORTATION ECONOMICS
, International Transportation Economics Association (ITEA)
, Air Transport Research Society (ATRS)
, Transport Chicago
, Japan Association for Comparative Politics
, Japanese Political Science Association
, THE JAPAN PUBLIC CHOICE SOCIETY
, Public Policy Studies Association, Japan
, American Political Science Association (APSA)