- 2024/04 - 現在 Ministry of Economy, Trade and Industry Certification System for Advanced Maintenance Enforcement Provider, Review Board Member
- 2022/10 - 現在 KOSEN Security Educational Community, National Institute of Technology Adviser
- 2022/04 - 現在 Industry-Academia Collaboration Council for Cyber Security, Japan Network Security Association Director
- 2021/04 - 現在 IEICE Transactions on Information and Systems Editorial Committee Member
- 2021/04 - 現在 IPSJ Computer Security Group (CSEC) Expert Committee Member
- 2021/01 - 現在 the Electricity Safety System WG, Electricity Safety Subcommittee, Consumer Product Safety Subcommittee, Industrial Structure Council, Ministry of Economy, Trade and Industry Expert Member
- 2020/06 - 現在 IPSJ Journal / JIP Registered Peer Reviewer
- 2020/04 - 現在 JSSST SIG-rePiT Steering Committee Member
- 2018/04 - 現在 IPSJ Computer Security Group (CSEC), OSS Security Workshop Steering Committee Member
- 2018/01 - 現在 NETSAP: The IEEE International Workshop on Network Technologies for Security, Administration and Protection Workshop Organizer
- 2015/01 - 現在 Special Section on ICSS, IEICE Transactions on Information and Systems Editorial Committee Member
- 2010/04 - 現在 Special Interest Group on Information and Communication System Security (ICSS), Institute of Electronics, Information and Communication Engineers of Japan (IEICE) Committee Member
- 2021/10 - 2022/03 Study Committee on Cyber Security and Human Resource Development in Private Electric Facilities, Industrial Structure Council, Ministry of Economy, Trade and Industry Committee Chair
- 2016/04 - 2021/03 IPSJ Computer Security Group (CSEC) Steering Committee
- 2020/01 - 2020/12 Special Section on Practical IT Education, JSSST Journal Editor-in-Chief
- 2016/06 - 2020/05 IPSJ Journal / JIP Editorial Committee Member
- 2019/04 - 2020/03 JSSST rePiT2020 Symposium Co-Chair
- 2019/04 - 2020/03 JSSST SIG-rePiT Chief
- 2019/04 - 2020/03 IPSJ Computer Security Symposium 2019 (CSS2019) Steering Committee Member
- 2018/04 - 2019/03 IPSJ Malware Research Workshop 2018 (MWS2018) Program Committee Member
- 2018/04 - 2019/03 IPSJ Computer Security Symposium 2018 (CSS2018) Program Committee, OWS2018 Special Session Chair
- 2018/01 - 2018/12 CSITS 2018: International Workshop on Cyber Security for Intelligent Transportation Systems Program Committee Member
- 2018/01 - 2018/12 ECC 2018: The 22nd Workshop on Elliptic Curve Cryptography, Administration and Protection Local Organizing Committee Member
- 2016/08 - 2017/12 CPSS 2017: The 3rd ACM Cyber-Physical System Security Workshop Program Committee Member
- 2016/07 - 2017/12 ACNS 2017: The 15th International Conference on Applied Cryptography and Network Security Organizing Committee Member
- 2015/01 - 2017/12 NETSAP: The IEEE International Workshop on Network Technologies for Security, Administration and Protection Program Committee Member
- 2016/04 - 2017/03 IPSJ Computer Security Symposium 2016 (CSS2016) Steering Committee Member
- 2015/04 - 2016/03 IPSJ Computer Security Symposium 2015 (CSS2015) Program Committee Member
- 2012/04 - 2016/03 IPSJ Computer Security Group (CSEC) Steering Committee Member
- 2012/04 - 2013/03 IPSJ Computer Security Symposium 2012 (CSS2012) Steering Committee