- 2024/06 - 現在 Institute of Electronics, Information and Communication Engineers (IEICE) Associate Editor, IEICE Transactions on Information and Systems
- 2022/06 - 現在 Institute of Electronics, Information and Communication Engineers (IEICE) Member, Technical Committee on Enriched MultiMedia (EMM), Information and Systems Society (ISS)
- 2020/06 - 現在 Institute of Electronics, Information and Communication Engineers (IEICE) Member, Technical Committee on Smart Info-Media Systems (SIS), Engineering Sciences Society (ESS)
- 2018/04 - 現在 Japan Accreditation Board for Engineering Education (JABEE) Member, Evaluation Committee by Fields
- 2017/06 - 現在 Japan Accreditation Board for Engineering Education (JABEE) Member, Criteria Committee
- 2017/06 - 現在 Japan Accreditation Board for Engineering Education (JABEE) Member, Criteria Comprehensive Coordination Committee
- 2016/06 - 現在 Institute of Electronics, Information and Communication Engineers (IEICE) Member, Accreditation Policy Council
- 2023/04 - 2024/06 Institute of Electronics, Information and Communication Engineers (IEICE) Member, CPD (Continuing Professional Development) Reinstitutionalizing Working Group
- 2020/06 - 2022/06 Institute of Electronics, Information and Communication Engineers (IEICE) Director (General Affairs), Engineering Sciences Society (ESS) Steering Committee
- 2020/06 - 2022/06 Institute of Electronics, Information and Communication Engineers (IEICE) Member, Technical Committee Submission System Working Group
- 2020/06 - 2022/06 Institute of Electronics, Information and Communication Engineers (IEICE) Vice Chair, Technical Committee on Enriched MultiMedia (EMM), Information and Systems Society (ISS)
- 2019/06 - 2021/05 Institute of Electronics, Information and Communication Engineers (IEICE) Member, Communication and Publicity Committee
- 2018/06 - 2020/06 Institute of Electronics, Information and Communication Engineers (IEICE) Editor (Web), Society Magazine Editorial Board, Engineering Sciences Society (ESS)
- 2018/06 - 2020/06 Institute of Electronics, Information and Communication Engineers (IEICE) Member, Committee for Database on Noteworthy Contributions for Science and Technology (Japan)
- 2018/06 - 2020/06 Institute of Electronics, Information and Communication Engineers (IEICE) Member, Technical Committee on Enriched MultiMedia (EMM), Information and Systems Society (ISS)
- 2018/06 - 2020/06 Institute of Electronics, Information and Communication Engineers (IEICE) Secretary, Technical Committee on Smart Info-Media Systems (SIS), Engineering Sciences Society (ESS)
- 2018/06 - 2020/06 Institute of Electronics, Information and Communication Engineers (IEICE) Director (Publicity), Engineering Sciences Society (ESS) Steering Committee
- 2019/09 - 2020/03 Japan Accreditation Board for Engineering Education (JABEE) Member, Evaluation Team
- 2016/06 - 2019/12 Institute of Electronics, Information and Communication Engineers (IEICE) Member, International Steering Committee (ISC) of International Workshop on Smart Info-Media Systems in Asia (SISA) series
- 2019/03 - 2019/09 電子情報通信学会 2019 International Workshop on Smart Info-Media Systems in Asia (SISA)組織委員会 総務担当幹事
- 2011/05 - 2019/05 Institute of Electronics, Information and Communication Engineers (IEICE) Member, Committee of Information Hiding and Its Criteria for Evaluation (IHC), Information and Systems Society (ISS)
- 2017/08 - 2019/03 Institute of Electronics, Information and Communication Engineers (IEICE) Special Session Co-Chair, Organizing Committee of 2018 International Workshop on Smart Info-Media Systems in Asia (SISA)
- 2017/06 - 2018/06 Institute of Electronics, Information and Communication Engineers (IEICE) Secretary, Technical Committee on Enriched MultiMedia (EMM), Information and Systems Society (ISS)
- 2016/06 - 2018/06 Institute of Electronics, Information and Communication Engineers (IEICE) Assistant Secretary, Technical Committee on Smart Info-Media Systems (SIS), Engineering Sciences Society (ESS)
- 2017/06 - 2018/04 Japan Accreditation Board for Engineering Education (JABEE) Member, Evaluation Team
- 2018/01 - 2018/03 Institute of Electronics, Information and Communication Engineers (IEICE) Member, Technical Program Committee of General Conference
- 2016/12 - 2017/11 Institute of Electronics, Information and Communication Engineers (IEICE) Delegate from Technical Committee on Enriched Multimedia, 2017 Forum on Information Technology (FIT)
- 2016/08 - 2017/09 電子情報通信学会 2017 International Workshop on Smart Info-Media Systems in Asia (SISA)組織委員会 広報委員長
- 2016/08 - 2017/09 Institute of Electronics, Information and Communication Engineers (IEICE) Publicity Chairs, Organizing Committee of 2017 International Workshop on Smart Info-Media Systems in Asia (SISA)
- 2016/06 - 2017/05 Institute of Electronics, Information and Communication Engineers (IEICE) Assistant Secretary, Enriched Multimedia (EMM) Technical Committee, Information and Systems Society
- 2016/06 - 2017/05 電子情報通信学会 マルチメディア情報ハイディング・エンリッチメント(EMM)研究専門委員会 幹事補佐
- 2016/06 - 2017/04 Japan Accreditation Board for Engineering Education (JABEE) Observer, Evaluation Team
- 2016/06 - 2017/04 日本技術者教育認定機構 審査チーム オブザーバー
- 2016/07 - 2016/09 Institute of Electronics, Information and Communication Engineers (IEICE) Member, Technical Program Committee of Engineering Sciences Society Conference
- 2016/07 - 2016/09 電子情報通信学会 ソサイエティ大会プログラム編成委員会 委員
- 2013/04 - 2016/06 Institute of Electronics, Information and Communication Engineers (IEICE) Member, Enriched Multimedia (EMM) Technical Committee, Information and Systems Society
- 2013/04 - 2016/06 電子情報通信学会 マルチメディア情報ハイディング・エンリッチメント(EMM)研究専門委員会 専門委員
- 2013/05 - 2013/06 Institute of Electrical and Electronics Engineers (IEEE) Member, Best Paper Award Competition Committee of 2013 International Symposium on Consumer Electronics (ISCE)
- 2013/05 - 2013/06 Institute of Electrical and Electronics Engineers (IEEE) 2013 International Symposium on Consumer Electronics (ISCE)最優秀論文賞選定委員会 委員
- 2010/05 - 2012/05 電子情報通信学会 評議員
- 2010/05 - 2012/03 Institute of Electronics, Information and Communication Engineers (IEICE) Councilor
- 2009/05 - 2011/05 Institute of Electronics, Information and Communication Engineers (IEICE) Member, Steering Committee of Tokyo Section
- 2009/05 - 2011/05 電子情報通信学会 東京支部 評議員
- 2008/05 - 2011/05 Institute of Electronics, Information and Communication Engineers (IEICE) Member, Smart Info-Media Systems (SIS) Technical Committee, Engineering Sciences Society
- 2008/05 - 2011/05 電子情報通信学会 スマートインフォメディアシステム(SIS)研究専門委員会 専門委員
- 2010/03 - 2011/03 Institute of Electronics, Information and Communication Engineers (IEICE) Treasurer, Executive Committee of 2010 Signal Processing Symposium
- 2010/03 - 2011/03 電子情報通信学会 2010年信号処理シンポジウム実行委員会 会計幹事
- 2009/01 - 2009/12 Institute of Electrical and Electronics Engineers (IEEE) Secretary, Technical Program Committee (TPC) of 2009 International Symposium on Intelligent Signal Processing and Communication Systems (ISPACS)
- 2009/01 - 2009/12 Institute of Electrical and Electronics Engineers (IEEE) 2009 International Symposium on Intelligent Signal Processing and Communication Systems (ISPACS)技術プログラム委員会(TPC) 幹事
- 2007/05 - 2008/05 Institute of Electronics, Information and Communication Engineers (IEICE) Assistant Secretary, Smart Info-Media Systems (SIS) Technical Committee, Engineering Sciences Society
- 2007/05 - 2008/05 電子情報通信学会 スマートインフォメディアシステム(SIS)研究専門委員会 幹事補佐
- 2008/01 - 2008/03 Institute of Electronics, Information and Communication Engineers (IEICE) Member, Technical Program Committee of General Conference
- 2008/01 - 2008/03 電子情報通信学会 総合大会プログラム編成委員会 委員
- 2005/05 - 2007/05 Institute of Electronics, Information and Communication Engineers (IEICE) Associate Editor, Journal of Institute of Electronics, Information and Communication Engineers
- 2005/05 - 2007/05 Institute of Electronics, Information and Communication Engineers (IEICE) Member, Smart Info-Media Systems (SIS) Technical Committee, Engineering Sciences Society
- 2005/05 - 2007/05 電子情報通信学会 スマートインフォメディアシステム(SIS)研究専門委員会 専門委員
- 2005/05 - 2007/05 電子情報通信学会 学会誌編集委員会 編集委員
- 1993/07 - 1995/10 Tokyo Regional Academic Inter-Network (TRAIN) Member, Technical Working Group
- 1993/07 - 1995/10 東京地域アカデミックネットワーク(TRAIN) 技術部会 部会員