- 2023/06 - 現在 Creator Economy Association Members of the "Exploratory Committee on Measures against Slander"
- 2023/04 - 現在 Cabinet Office, Government of Japan Member of the Expert Group for the Promotion of Strengthening Innovation Policy "AI Strategy" (AI Strategy Council)
- 2023/04 - 現在 Japan Fair Trade Commission Commissioner for Antitrust Policy Cooperation
- 2023/03 - 現在 Children and Families Agency Member of Technical Review Committee for procurement of "Prenatal Testing Certification System Awareness Project"
- 2023/01 - 現在 Digital Crisis Research Institute Advisor
- 2022/12 - 現在 Ministry of Internal Affairs and Communications "Working Group on Improving Literacy for Youth ICT Use"
- 2022/08 - 現在 Polimill Co.,Ltd. Advisor
- 2022/05 - 現在 National Institute of Science and Technology Policy expert (technical) investigator
- 2021/12 - 現在 TikTok Pte. Ltd. TikTok APAC Safety Advisory Council
- 2021/12 - 現在 Nikkei Inc. Think! Expert
- 2021/07 - 現在 Yahoo Japan Corporation Individual Author
- 2021/07 - 現在 Creator Economy Association Advisor
- 2021/06 - 現在 The Society of Socio-Informatics Member of Research Activities Committee
- 2021/06 - 現在 Mercari, Inc Advisory Board for Marketplace
- 2021/01 - 現在 Z Holdings Corporation Expert Panel on Democracy in the Digital Age
- 2020/12 - 現在 Ministry of Health, Labour and Welfare Pension publicity review meeting
- 2020/11 - 現在 RAZER inc KIKI
- 2020/09 - 現在 Yahoo Japan Corporation Commentator, Yahoo! News
- 2020/09 - 現在 The Society of Socio-Informatics Editorial board member
- 2020/06 - 現在 Siemple Digital Crisis Research Institute Advisor
- 2019/07 - 現在 情報通信学会 編集委員
- 2019/05 - 現在 GREE, Inc Member of Advisory Board
- 2023/04 - 2023/05 Agribusiness Support Division, Agriculture and Forestry Department, Saitama Prefecture Saitama Prefecture WASSHOI ambassador
- 2022/08 - 2023/03 Ministry of Health, Labour and Welfare Appointed as a member of the Technical Review Committee, "Additional Updates to the Fiscal Verification Website, etc."
- 2022/07 - 2023/03 Tokyo Institute of Technology Appointment of External Examiner "Doctoral Dissertation Examination
- 2022/08 - 2022/12 Ministry of Health, Labour and Welfare Appointed Chairman of the Technical Review Committee, "A set of public awareness services to deepen understanding of infertility and infertility.
- 2022/10 - Ministry of Health, Labour and Welfare Judge "The 4th Annual Pension Publicity Contest in 2021
- 2022/07 - 2022/09 Ministry of Health, Labour and Welfare Appointed as a member of the Technical Review Committee "Public Relations and Awareness Project for Prenatal Testing Certification System, etc.
- 2022/04 - 2022/06 Agribusiness Support Division, Agriculture and Forestry Department, Saitama Prefecture Saitama Prefecture WASSHOI ambassador
- 2021/06 - 2022/06 Ministry of Internal Affairs and Communications Task Force on the Development of a Safe and Secure Internet Use Environment for Youth
- 2020/09 - 2022/06 Academic Association for Organizational Science Editorial secretary
- 2021/12 - 2022/03 Ministry of Internal Affairs and Communications Study Group on ICT Literacy Improvement Policies (Chair)
- 2021/05 - 2022/03 Ministry of Health, Labor and Welfare Technical Review Committee for the Renewal of the Fiscal Verification Website
- 2021/04 - 2022/03 Ministry of Health, Labor and Welfare "Technical Review Committee for a Program to Promote Awareness and Understanding of Infertility and Childbirth Disorders" Technical Review Committee Member
- 2020/06 - 2022/03 Disinformation Prevention Forum Safer Internet Association
- 2021/10 - 2021/12 The 6th International Workshop on Application of Big Data for Computational Social Science (ABCSS2021) Program committee member
- 2021/06 - 2021/12 Yahoo Japan Corporation Supervisory Board Member
- 2020/10 - 2020/12 The 5th International Workshop on Application of Big Data for Computational Social Science (ABCSS2020 @ WI-IAT 2020) program committee member
- 2020/07 - 2020/12 Mercari, Inc. Expert Committee on the State of the Marketplace
- 2020/07 - 2020/11 Yahoo Japan Corporation Study Group on How to Manage Platform Services
- 2020/10 - 2020/10 Ministry of Health, Labour and Welfare Technical Review Committee for the Fiscal Verification Website
- 2020/01 - 2020/09 Recording Industry Association of Japan Unlicensed Application Fact-Finding Committee
- 2019/07 - 2019/10 The 4th International Workshop on Application of Big Data for Computational Social Science, IEEE/WIC/ACM International Conference of Web Intelligence 2019 program committee member
- 2017/06 - 2017/12 The 2nd International Workshop on Application of Big Data for Computational Social Science, IEEE Big Data 2017 program committee member
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JAPAN ASSOCIATION FOR CULTURAL ECONOMICS
, JAPANESE ECONOMIC ASSOCIATION
, European Association for Research in Industrial Economics
, DIGITAL GAMES RESEARCH ASSOCIATION JAPAN
, THE SOCIETY FOR SOCIO-INFORMATICS
, THE INFOSOCIONOMICS SOCIETY
, THE ACADEMIC ASSOCIATION FOR ORGANIZATIONAL SCIENCE
, THE JAPAN SOCIETY OF INFORMATION AND COMMUNICATION RESEARCH
, Japan Marketing Academy