- 2024/04 - 現在 Information Processing Society of Japan Editorial board member
- 2023/05 - 現在 The Japan Society for Management Information Editorial board member
- 2023/05 - 現在 Open Source Software Association Japan Board member
- 2022/05 - 現在 Sankei Digital Inc. Editorial Board Member, Journal of Digital Life
- 2022/04 - 現在 Tokyo Metropolitan Government Jury Member, Venture Technology Award, Information and Communication Field
- 2021/05 - 現在 Human-Centered Design Organization Editor-in-chief, Editorial Board
- 2021/04 - 現在 The Institute of Electronics, Information and Communication Engineers Member, Technical Conference on Information and Systems Society
- 2021/04 - 現在 The Institute of Electronics, Information and Communication Engineers (IEICE) Chairman, Cyberworld Research Technical Committee
- 2020/10 - 現在 Workshop Initiatives for Language Learning Board Member
- 2020/01 - 現在 The Institute of Electronics, Information and Communication Engineers FIT Research Committee Member (ISS/HCG)
- 2019/10 - 現在 The 12th - 14th International Conference on Theory and Practice of Electronic Governance (ICEGOV) Program Committee Member
- 2019/06 - 現在 Human-Centered Design Organization Board member
- 2019/05 - 現在 Information-technology Promotion Agency, Japan Member, IT Human Resource Development Center Information Processing Engineer Examination Committee and Information Security Assistants Examination Committee
- 2018/04 - 現在 The Information Processing Society of Japan Steering Committee Member, Research Group for Big Data Analysis
- 2017/05 - 現在 Japan Universities Association for Computer Education Cyber FD Researcher
- 2017/01 - 現在 PMI Japan Chapter Committee Member, Education Internationalization
- 2012/02 - 現在 The International Workshop on Web Services and Social Media Program Committee Member
- 2022/01 - 2022/12 FIT2022 Program Committee Committee Member, K Field
- 2020/01 - 2022/09 The 14th and 15th Human Choice and Computers Conference Program Committee Member
- 2021/04 - 2022/03 Tokyo Metropolitan Government Jury Member, Global Competition, Information and Communication Field
- 2018/01 - 2021/05 Human-Centered Design Organization Editorial Board Member
- 2012/08 - 2021/03 The Institute of Electronics, Information and Communication Engineers Expert Member, Cyberworld Research Expert Committee
- 2020/09 - 2020/11 Human-Centered Design Organization Jury Member, HCD Award
- 2014/06 - 2020/11 Human-Centered Design Organization Member, HCD Award Committee
- 2020/01 - 2020/06 The 12th International KES Conference, Intelligent Decision Technologies 2020 (KES-IDT-20) Program Committee Member
- 2016/01 - 2019/12 Human-Centered Design Organization Member, HCD-Net Forum Executive Committee
- 2019/07 - 2019/10 The 14th International Conference on P2P, Parallel, Grid, Cloud and Internet Computing (3PGCIC) Session Program Committee Member
- 2019/04 - 2019/09 The Society of Socio-Informatics The Society of Socio-Informatics 2019 Annual Research Meeting Committee
- 2013/07 - 2019/05 Human-Centered Design Organization Trustee Member
- 2018/10 - 2019/04 The 33rd International Conference on Advanced Information Networking and Applications (AINA) Technical Program Committee Member
- 2012/04 - 2019/03 The International Conference on Software Engineering Advances Technical Program Committee Member
- 2014/12 - 2017/03 Advanced Institute of Industrial Technology Member of Program Development Committee, "Advanced Human Resource Development Program for Business Development and Reform in Next Generation Growth Industries
- 2016/09 - 2016/12 PMI Japan Chapter Preparation Committee Members, Education Internationalization Committee
- 2014/12 - 2015/05 Human-Centered Design Organization Member, HCD-Net 10th Anniversary Forum Executive Committee
- 2015/03 - 2015/03 Okinawa Prefecture Member, Project Promotion Committee, International Research and Development Center Formation Project for Cloud Open Network
- 2014/01 - 2014/09 The 17th International Conference on Network-Based Information Systems (NBiS) Session PC member
- 2012/06 - 2013/03 Information-technology Promotion Agency, Japan Member of Distance Education WG, Industry-Academia Collaboration Promotion Center and Industry-Academia Collaboration Course Liaison Committee
- 2010/04 - 2013/03 Japan OSS Promotion Forum Client Committee Member
- 2011/09 - 2012/03 Information-technology Promotion Agency, Japan Industry-University Collaboration Promotion Center, Industry-University Collaboration Matching Planning Subcommittee, Type 1 WG Member
- 2008/04 - 2010/03 Japan OSS Promotion Forum Chair, Task Force for Desktop Dissemination Strategy, Platform Subcommittee
- 2006/09 - 2009/10 North-east Asia OSS Promotion Forum WG3 / SWG2 Member
- 2007/06 - 2009/03 Center of the International Cooperation for Computerization Member of Northeast Asia OSS Standardization Subcommittee
- 2006/09 - 2008/03 Center of the International Cooperation for Computerization Member of the SWG on Web Compatibility
- 2006/04 - 2008/03 Japan OSS Promotion Forum Chair, Desktop Subcommittee Problem Extraction Task Force
- 2005/12 - 2007/03 ITSS Users Association Member, Skill Definition Committee
- 2002/04 - 2006/03 Information Processing Society of Japan Member of the Editorial Board