- 2024/03 - 2025/03 第27回プログラミングおよびプログラミング言語ワークショップ プログラム共同委員長
- 2023/07 - 2024/03 The 26th Workshop of the Special Interest Group on Programming and Programming Languages, Japan Society for Software Science and Technology Program Committee
- 2020/04 - 2024/03 Information Processing Society of Japan Editorial Committee member of the Transactions on Programming
- 2020/04 - 2024/03 情報処理学会プログラミング研究会 幹事
- 2021/11 - 2022/10 第21回情報科学技術フォーラム(FIT2022) 研究専門委員会担当委員(情報処理学会)
- 2020/11 - 2021/10 20th Forum on Information Technology (FIT2021) PC member as a representative of field A and IPSJ PRO
- 2021/07 - 第24回プログラミングおよびプロ グラミング言語ワークショップ プログラム委員
- 2021/07 - ACM/IEEE 24th International Conference on Model Driven Engineering Languages and Systems (MODELS 2021) Program Committee Member, Artifact Evaluation
- 2021/06 - ACM/IEEE 24th International Conference on Model Driven Engineering Languages and Systems (MODELS 2021) PC Member, Tools Demonstration Track
- 2016/04 - 2020/03 Information Processing Society of Japan Steering Committee member, Special Interest Group on Programming
- 2019/07 - Special Interest Group on Programming and Programming Languages, Japan Society for Software Science and Technology PPL 2020 Program Commitee
- 2015/04 - 2019/03 Information Processing Society of Japan Editorial Committee member of the Transactions on Programming
- 2018/08 - 2019/02 SFDI2019: Second Workshop on Software Foundations for Data Interoperability Program Committee member
- 2018/12 - 23rd International Conference on Fundamental Approaches to Software Engineering (FASE 2020) program committee
- 2017/12 - 2018/10 Symposium on Trends in Functional Programming 2018 Program Committee member
- 2018/10 - 12th International Conference on Model Transformations (ICMT 2019) Programme Committee member
- 2017/11 - 2018/06 11th International Conference on Model Transformation Program committee member
- 2017/11 - 2018/06 11th International Conference on Model Transformation Program committee member
- 2017/10 - 2018/04 7th International Workshop on Bidirectional Transformations (Bx 2018) Programme Committee member
- 2017/10 - 2018/04 7th International Workshop on Bidirectional Transformations (Bx 2018) Programme Committee member
- 2017/02 - 2017/11 The 18th Symposium on Trends in Functional Programming (TFP 2017) Programme Committee member
- 2017/02 - 2017/11 The 18th Symposium on Trends in Functional Programming (TFP 2017) Programme Committee member
- 2016/10 - 2017/07 10th International Conference on Model Transformation Program committee member
- 2016/10 - 2017/07 10th International Conference on Model Transformation Program committee member
- 2016/11 - 2017/04 Sixth International Workshop on Bidirectional Transformations (Bx 2017) Programme Committee member
- 2016/11 - 2017/04 Sixth International Workshop on Bidirectional Transformations (Bx 2017) Programme Committee member
- 2013/07 - 2017/04 Bidirectional Transformations Steering committee
- 2013/07 - 2017/04 Bidirectional Transformations Steering committee
- 2016/05 - 2016/09 Japan Society for Software Science and Technology Program committee, 33rd Convention
- 2016/05 - 2016/09 日本ソフトウェア科学会 第33回大会プログラム委員
- 2013/05 - 2016/03 NII Shonan Meeting Steering Committee member
- 2013/05 - 2016/03 NII湘南会議 Steering Committee
- 2015/04 - 2015/09 Japan Society for Software Science and Technology Demo and Poster Chair, Program committee, 32nd Convention
- 2015/04 - 2015/09 日本ソフトウェア科学会 第32回大会デモ・ポスター委員長,プログラム委員
- 2014/03 - 2015/07 Fourth International Workshop on Bidirectional Transformations Programm Committee
- 2014/03 - 2015/07 Fourth International Workshop on Bidirectional Transformations Program Committee
- 2013/07 - 2014/03 Third International Workshop on Bidirectional Transformations PC co-chair
- 2013/07 - 2014/03 Third International Workshop on Bidirectional Transformations PC co-chair
- 2010 - 2013/05 NII Shonan Meeting Organizing Committee
- 2010 - 2013/05 NII Shonan Meeting Organizing Committee
- 2012/07 - 2013/03 Second International Workshop on Bidirectional Transformations (BX 2013) Programme committee
- 2012/07 - 2013/03 Second International Workshop on Bidirectional Transformations (BX 2013) Programme committee
- 2012/07 - 2013/02 1st International Conference on Model-Driven Engineering and Software Development (MODELSWARD 2013) Program Committee member
- 2012/07 - 2013/02 1st International Conference on Model-Driven Engineering and Software Development (MODELSWARD 2013) Program Committee member
- 2011/09 - 2012/05 5th International Conference on Model Transformation (ICMT 2012) Programme committee member, Transformations in Modelling and Reutilization session chair
- 2011/09 - 2012/05 5th International Conference on Model Transformation Programme committee member, Transformations in Modelling and Reutilization session chair
- 2005 - 2012 先進的計算基盤シンポジウム SACSIS 査読協力者 (2006年を除く。2005年以外は登録のみ)
- 2005/03 - 2011/11 経済産業省工業所有権審議会 試験委員
- 2005/03 - 2011/11 Ministry of Economy, Trade and Industry Board of Examiners, Industrial Property Council
- 2011/10 - 2nd NII-PKU International Joint Workshop on Advanced Software Engineering, Hakone-machi, Japan Program Committee Member
- 2011/10 - 2nd NII-PKU International Joint Workshop on Advanced Software Engineering, Hakone-machi, Japan Program Committee Member
- 2010/03 - 2011/09 The 16th ACM SIGPLAN International Conference on Functional Programming (ICFP2011) Local Arrangements Chair
- 2010/03 - 2011/09 The 16th ACM SIGPLAN International Conference on Functional Programming (ICFP2011) Local Arrangements Chair
- 2011/02 - 2011/07 3rd International Workshop on Model Transformation with ATL (MtATL 2011) PC member
- 2011/02 - 2011/07 3rd International Workshop on Model Transformation with ATL (MtATL 2011) PC member
- - 2011/05 5th International Workshop on Bidirectional Transformation in Architecture-Based Component Composition (BT in ABC 5) PC member
- - 2011/05 5th International Workshop on Bidirectional Transformation in Architecture-Based Component Composition (BT in ABC 5) PC member
- - 2010 4th International Workshop on Bidirectional Transformation in Architecture-Based Component Composition (BT in ABC 4) PC Co-chair
- - 2010 4th International Workshop on Bidirectional Transformation in Architecture-Based Component Composition (BT in ABC 4) PC Co-chair
- - 2006 11th Annual Asian Computing Science Conference (ASIAN 2006) Local Organization Committee, Session chair ("Verification and Theories II")
- - 2006 11th Annual Asian Computing Science Conference (ASIAN 2006) Local Organization Committee, Session chair ("Verification and Theories II")