- 2024/10 - 現在 古賀市公共施設使用料設定基準検討ワークショップ委員
- 2023/02 - 現在 The International Conference on Emerging Internet, Data & Web Technologies (EIDWT) Program Co-Chairs
- 2022/12 - 現在 篠栗町防災会議 委員
- 2022/11 - 現在 The International Conference on P2P, Parallel, Grid, Cloud and Internet Computing (3PGCIC) Track Co-chair
- 2022/11 - 現在 The International Conference on P2P, Parallel, Grid, Cloud and Internet Computing (3PGCIC) General Co-Chairs
- 2022/09 - 現在 The International Conference on Network-Based Information Systems (NBiS) International Liaison Co-Chair
- 2022/08 - 現在 The International Conference on Innovative Mobile and Internet Services in Ubiquitous Computing (IMIS) Program Committee Co-Chairs
- 2022/03 - 現在 The International Conference on Advanced Information Networking and Applications (AINA) Track Co-chair
- 2020 - 現在 The International Workshop on Multimedia, Web and Virtual Reality Technologies and Applications (MWVRTA) Workshop Co-Chair
- 2017/09 - 現在 The International Conference on Network-based Information Systems (NBiS), Track Chair
- 2016/05 - 現在 IT CoNvergence PRActice (INPRA) Editor
- 2016 - 現在 The International Conference on Innovative Mobile and Internet Services in Ubiquitous Computing (IMIS) Track Chair
- 2015 - 現在 The International Workshop on Network-based Virtual Reality and Tele-existence (INVITE) Workshop Co-Chair
- 2015/01 - 現在 日本バーチャルリアリティ学会 テレイマージョン技術研究委員会 幹事
- 2013 - 現在 The International Conference on Broadband and Wireless Computing, Communication and Applications (BWCCA) Program Committee
- 2023/04 - 2024/04 The 38th International Conference on Advanced Information Networking and Applications (AINA-2024) Local Arrangement Co-Chairs
- 2023/02 - 2024/02 The 12-th International Conference on Emerging Internet, Data & Web Technologies (EIDWT-2024) Publicity Co-Chair
- 2014/03 - 2020/03 The International Workshop on Disaster and Emergency Information Network Systems (IWDENS) Program Committee
- 2019/03 - 2020/02 The 8-th International Conference on Emerging Internet, Data & Web Technologies (EIDWT-2020) Local Organizing Committee Co-Chair
- 2019/06 - 2019/10 The 10th IEEE International Conference on Awareness Science and Technology (iCAST2019) PC Member
- 2017/11 - 2018/11 The 13th International Conference on Broad-Band Wireless Computing, Communication and Applications(BWCCA-2018), Multimedia and Web Applications, PC Member
- 2017/11 - 2018/03 可視化情報学会第1回ビジュアライゼーションワークショップ 実行委員会幹事
- 2016/06 - 2018/03 日立市総合計画後期基本計画策定委員会 委員
- 2016/01 - 2018/03 水戸市個人情報保護審議会 委員
- 2014/11 - 2018/03 日立市地域情報化推進会議 委員
- 2014/04 - 2018/03 日本バーチャルリアリティ学会 学会誌委員会 幹事
- 2016/01 - 2017/12 日本バーチャルリアリティ学会 第21回日本バーチャルリアリティ学会大会プログラム委員
- 2014 - 2017 IEEE International Conference on Advanced Information Networking and Applications (AINA) Program Committee
- 2015/01 - 2016/11 The International Conference on Broadband and Wireless Computing, Communication and Applications (BWCCA) Track Chair
- 2015/10 - 2016/10 可視化情報学会 可視化情報全国講演会2016 実行委員
- 2015 - 2016 The International Conference on Network-Based Information Systems (NBiS) Program Committee
- 2014 - 2016 International Conference on Complex, Intelligent, and Software Intensive Systems (CISIS) Program Committee
- 2015/01/01 - 2015/12/31 日本バーチャルリアリティ学会 第20回日本バーチャルリアリティ学会大会プログラム委員
- 2014/08 - 2015/07 The 9-th International Conference on Complex, Intelligent, and Software Intensive Systems (CISIS2015) Track Chair
- 2014 - 2015 International Conference on Innovative Mobile and Internet Services in Ubiquitous Computing (IMIS) Program Committee
- 2015 - The International Workshop on Network-based Virtual Reality and Tele-existence (INVITE) Program Co-Chairs
- 2015/01/01 - The Virtual Reality Society of Japan Tele-Immersion Technology Society Commissioner
- 2006/01/01 - 2014/12/31 日本バーチャルリアリティ学会 テレイマージョン技術研究委員会 委員
- 2013 - 2014 The International Conference on Broadband and Wireless Computing, Communication and Applications (BWCCA) Program Committee
- 2005 - 2014 The International Workshop on Network-based Virtual Reality and Tele-existence (INVITE) Program Committee
- 2014 - IEEE International Conference on Advanced Information Networking and Applications (AINA) Program Committee