- 2024 - 2025 JSSST The 27th Programming and Programming Language Workshop (PPL 2025) Program Committee
- 2024 - 2025 The 40th Annual ACM SIGPLAN Conference on Object-Oriented Programming, Systems, Languages, and Applications (OOPSLA 2025) Program Committee
- 2024 - 2025 The 52nd Annual ACM SIGPLAN-SIGACT Symposium on Principles of Programming Languages (POPL 2025) Program Committee
- 2024 - 2025 The 38th IEEE Computer Security Foundations Symposium (CSF 2025) Program Committee
- 2020/04 - 2024/03 JSSST Special Interest Group on Programming and Programming Languages Steering Committee
- 2023 - 2024 The 22nd International Symposium on Automated Technology for Verification and Analysis (ATVA 2024) Program Committee
- 2023 - 2024 The 24th International Conference on Formal Methods in Computer-Aided Design (FMCAD 2024) Program Committee
- 2023 - 2024 The 45th ACM SIGPLAN Symposium on Programming Language Design and Implementation (PLDI 2024) Program Committee
- 2023 - 2024 The 9th International Conference on Formal Structures for Computation and Deduction (FSCD 2024) Program Committee
- 2023 - 2024 The 17th International Symposium on Functional and Logic Programming (FLOPS 2024) Program Committee
- 2023 - 2024 The 37th IEEE Computer Security Foundations Symposium (CSF 2024) Program Committee
- 2022 - 2023 NII Shonan Meeting Seminar 180: The Art of SAT Co-Organizer
- 2022 - 2023 The 21st Asian Symposium on Programming Languages and Systems (APLAS 2023) SRC & Posters Selection Committee
- 2022 - 2023 The 21st International Symposium on Automated Technology for Verification and Analysis (ATVA 2023) Program Committee
- 2022 - 2023 The 3rd International Conference on Code Quality (ICCQ 2023) Program Committee
- 2022 - 2023 The 36th IEEE Computer Security Foundations Symposium (CSF 2023) Program Committee
- 2022 - 2023 The 32nd European Symposium on Programming (ESOP 2023) Program Committee
- 2018/04 - 2022/03 IPSJ Special Interest Group on Programming Steering Committee
- 2021 - 2022 The 37th Annual ACM SIGPLAN Conference on Object-Oriented Programming, Systems, Languages, and Applications (OOPSLA 2022) Program Committee
- 2021 - 2022 The 43rd ACM SIGPLAN International Conference on Programming Language Design and Implementation (PLDI 2022) Program Committee
- 2021 - 2022 The 35th IEEE Computer Security Foundations Symposium (CSF 2022) Program Committee
- 2021 - 2022 The 37th Annual ACM/IEEE Symposium on Logic in Computer Science (LICS 2022) Program Committee
- 2021 - 2022 The 49th Annual ACM SIGPLAN-SIGACT Symposium on Principles of Programming Languages (POPL 2022) Program Committee
- 2020 - 2021 Israel Science Foundation Research Grant Application Reviewer
- 2020 - 2021 The International Conference on Software Testing, Machine Learning and Complex Process Analysis (TMPA-2021) Program Committee
- 2020 - 2021 The 19th Asian Symposium on Programming Languages and Systems (APLAS 2021) Program Committee
- 2020 - 2021 The 19th International Symposium on Automated Technology for Verification and Analysis (ATVA 2021) Program Committee
- 2020 - 2021 The 33rd International Conference on Computer-Aided Verification (CAV 2021) Program Committee
- 2020 - 2021 The 34th IEEE Computer Security Foundations Symposium (CSF 2021) Program Committee
- 2015/04 - 2020/03 文部科学省 科学技術政策研究所 科学技術動向研究センター 専門調査員
- 2019 - 2020 The 15th International Symposium on Functional and Logic Programming (FLOPS 2020) Program Committee
- 2019 - 2020 JSSST The 22nd Programming and Programming Language Workshop (PPL 2020) Program Committee
- 2019 - 2020 The 12th Working Conference on Verified Software: Theories, Tools, and Experiments (VSTTE 2020) Program Committee
- 2019 - 2020 The 18th International Symposium on Automated Technology for Verification and Analysis (ATVA 2020) Program Committee
- 2018 - 2019 The International Conference on Software Testing, Machine Learning and Complex Process Analysis (TMPA-2019) Program Committee
- 2018 - 2019 The 26th International Symposium on Static Analysis (SAS 2019) Program Committee
- 2018 - 2019 The 11th Working Conference on Verified Software: Theories, Tools, and Experiments (VSTTE 2019) Program Committee
- 2018 - 2019 The 17th International Symposium on Automated Technology for Verification and Analysis (ATVA 2019) Program Committee
- 2018 - 2019 The 17th Asian Symposium on Programming Languages and Systems (APLAS 2019) Program Committee
- 2018 - 2019 日本学術振興会 科学研究費委員会専門委員 (審査第三部会第60010小委員会 情報学基礎論関連)
- 2014/04 - 2018/03 IPSJ Special Interest Group on Programming Steering Committee
- 2017 - 2018 The 10th Working Conference on Verified Software: Theories, Tools, and Experiments (VSTTE 2018) Program Committee
- 2017 - 2018 The 16th Asian Symposium on Programming Languages and Systems (APLAS 2018) Program Committee
- 2017 - 2018 NII Shonan Seminar 115: Intensional and Extensional Aspects of Computation: From Computability and Complexity to Program Analysis and Security Co-Organizer
- 2017 - 2018 The 45th ACM SIGPLAN-SIGACT Symposium on Principles of Programming Languages (POPL 2018) Program Committee
- 2017 - 2018 The 19th International Conference on Verification, Model Checking, and Abstract Interpretation (VMCAI 2018) Program Committee
- 2016 - 2017 The 44th ACM SIGPLAN-SIGACT Symposium on Principles of Programming Languages (POPL 2017) External Review Committee
- 2016 - 2017 The 26th European Symposium on Programming (ESOP 2017) Program Committee
- 2016 - 2017 The 4th International Conference on Tools and Methods of Program Analysis (TMPA 2017) Program Committee
- 2016 - 2017 The 11th International Workshop on Reachability Problems (RP 2017) Program Committee
- 2016 - 2017 The 9th Working Conference on Verified Software: Theories, Tools, and Experiments (VSTTE 2017) Program Committee
- 2016 - 2017 The 15th Asian Symposium on Programming Languages and Systems (APLAS 2017) Program Committee
- 2015 - 2016 The 43rd International Colloquium on Automata, Languages, and Programming (ICALP 2016) (Track B) Program Committee
- 2015 - 2016 The 43rd ACM SIGPLAN-SIGACT Symposium on Principles of Programming Languages (POPL 2016) External Review Committee
- 2015 - 2016 The 17th International Conference on Verification, Model Checking, and Abstract Interpretation (VMCAI 2016) Program Committee
- 2015 - 2016 The 14th Asian Symposium on Programming Languages and Systems (APLAS 2016) Program Committee
- 2014 - 2015 The 30th Annual ACM/IEEE Symposium on Logic in Computer Science (LICS 2015) Program Committee
- 2014 - 2015 ACM SIGPLAN 10th Workshop on Programming Languages and Analysis for Security (PLAS 2015) Program Committee
- 2014 - 2015 Workshop on Higher-Order Program Analysis (HOPA 2015) Program Committee
- 2014 - 2015 NII Shonan Seminar 069: Logic and Verification Methods in Security and Privacy Co-Organizer
- 2013 - 2014 The 9th Special Section on Formal Approach, IEICE Transactions on Information and Systems Editor
- 2013 - 2014 The 15th International Conference on Verification, Model Checking, and Abstract Interpretation (VMCAI 2014) Program Committee
- 2013 - 2014 The 12th International Symposium on Functional and Logic Programming (FLOPS 2014) Program Committee
- 2013 - 2014 Workshop on Higher-Order Program Analysis (HOPA 2014) Program Committee
- 2013 - 2014 Joint Workshop on Foundations of Computer Security and Formal and Computational Cryptography (FCS-FCC'14) Program Committee
- 2012 - 2013 The 8th Special Section on Formal Approach, IEICE Transactions on Information and Systems Editor
- 2012 - 2013 The 40th ACM SIGPLAN-SIGACT Symposium on Principles of Programming Languages (POPL 2013) External Review Committee
- 2012 - 2013 The 22nd EACSL Annual Conference on Computer Science Logic (CSL 2013) Program Committee
- 2011 - 2012 The 7th Special Section on Formal Approach, IEICE Transactions on Information and Systems Editor
- 2011 - 2012 The 39th ACM SIGPLAN-SIGACT Symposium on Principles of Programming Languages (POPL 2012) Program Committee
- 2011 - 2012 The 10th Asian Symposium on Programming Languages and Systems (APLAS 2012) Program Committee
- 2010 - 2011 The 6th ACM SIGPLAN Workshop on Types in Language Design and Implementation (TLDI 2011) Program Committee
- 2010 - 2011 The 12th International Conference on Verification, Model Checking, and Abstract Interpretation (VMCAI 2011) Program Committee
- 2010 - 2011 The 5th ACM SIGPLAN Workshop on Programming Languages meets Program Verification (PLPV 2011) Program Committee
- 2010 - 2011 The 20th European Symposium on Programming (ESOP 2011) Program Committee
- 2010 - 2011 The 10th International Conference on Typed Lambda Calculi and Applications (TLCA 2011) Program Committee
- 2009 - 2010 ACM SIGPLAN 2010 Conference on Programming Language Design and Implementation (PLDI 2010) External Review Committee
- 2009 - 2010 JSSST The 12th Programming and Programming Language Workshop (PPL 2010) Program Co-Chair
- 2009 - 2009 JSSST The 11th Programming and Programming Language Workshop (PPL 2020) Program Committee
- 2008 - 2009 ACM SIGPLAN 4th Workshop on Programming Languages and Analysis for Security (PLAS 2009) Program Committee
- 2008 - 2009 The 24th Annual ACM Symposium on Applied Computing (ACM SAC 2009) (Programming Languages Track) Program Committee
- 2007 - 2008 The 15th International Static Analysis Symposium (SAS 2008) Program Committee