- 2015/04 - 2026/03 Minato City, Tokyo, Japan Committee Member, Committee on Green and Water
- 2014/04 - 2026/03 Hyogo Prefecture, Japan Chairperson, Higashi Harima / Kita Harima / Tamba (Kakogawa River Basin) Regional Comprehensive Flood Control Promotion Council
- 2023/06 - 2025/05 Committee on Hydroscience and Hydraulic Engineering, Japan Society of Civil Engineers (JSCE) committee member and secretary
- 2019/10 - 2025/05 Committee on Hydroscience and Hydraulic Engineering, Japan Society of Civil Engineers (JSCE) Section Secretary, Editorial Sub-committee, Annual Journal of Hydraulic Engineering
- 2023/04 - 2025/03 Kanto Regional Development Bureau, Ministry of Land, Infrastructure, Transport and Tourism, Japan Member of the Kanto Regional River Technology Council
- 2023/04 - 2025/03 Himeji River and National Roadway Office, Kinki Regional Development Bureau, Ministry of Land, Infrastructure, Transport and Tourism, Japan Embankment Survey Committee Member
- 2015/04 - 2025/03 Ministry of Land, Infrastructure, Transport and Tourism, Japan Committee Member, Committee of Experts on Contract Deliberation, Water and Disaster Management Bureau
- 2008/04 - 2025/03 Disaster Science Institute Researcher
- 1996/04 - 2025/03 Construction Engineering Research Institute Research Staff
- 2020/06 - 2024/06 Japan Society of Civil Engineers (JSCE) Member, Committee on Publishing
- 2022/09 - 2024/03 Kanto Regional Development Bureau, Ministry of Land, Infrastructure, Transport and Tourism, Japan Member, River Improvement Plan Follow-up Committee, Sagami River and Nakatsu River in the Sagami River Basin
- 2020/04 - 2024/03 Public Works Research Institute, Japan Invited Researcher
- 2019/02 - 2024/03 Public Interest Incorporated Association, Rainwater Storage and Infiltration Technology Association Deputy Editor-in-Chief, Editorial Board
- 2017/04 - 2024/03 Saitama City Saitama City Misono District River Utilization Coordination Council, Chairperson
- 2021/06 - 2023/05 Committee on Hydroscience and Hydraulic Engineering, Japan Society of Civil Engineers (JSCE) Committee Member
- 2019/06 - 2021/05 Committee on Hydroscience and Hydraulic Engineering, Japan Society of Civil Engineers (JSCE) Expert Advisor
- 2020/08 - 2021/02 NEWJEC Inc. Committee for the advancement of inflow forecasting for support projects of hydroelectric power generation feasibility evaluation
- 2016/09 - 2021/01 Japan Society of Civil Engineers (JSCE) Technology Promotion Organization, Civil Engineer Qualification Committee, Advanced 1st Class Civil Engineer Qualification Committee
- 2016/05 - 2020/03 Disaster Prevention Research Institute, Kyoto University Committee member of Joint Usage/Research Base Committee, Disaster Prevention Research Institute
- 2017/10 - 2019/09 土木学会 水工学委員会水工学論文集編集小委員会 編集幹事長
- 2019/08 - 2019/08 Nagoya University Ph.D. Examiner
- 2016/06 - 2019/05 土木学会 水工学委員会グローカル気候変動適応研究推進小委員会 幹事
- 2015/06 - 2019/05 土木学会 土木学会論文集編集委員会編集調整会議 委員
- 2015/06 - 2019/05 土木学会 水工学委員会 委員兼幹事
- 2015/06 - 2018/05 土木学会 関東支部学術研究部会, 委員および幹事
- 2017/04 - 2017/09 Pacific Consultants Co., Ltd. Lecturer, Civil Engineering Fundamentals Course
- 2015/10 - 2017/09 土木学会 水工学委員会水工学論文集編集小委員会 委員兼幹事
- 2015/10 - 2017/09 土木学会 環境システム委員会 委員
- 2015/06 - 2017/05 土木学会 水工学委員会環境水理部会部会 部会長
- 2015/06 - 2017/05 土木学会 教育企画部門教育企画・人材育成委員会 委員
- 2015/06 - 2017/05 土木学会 土木学会論文集編集委員会H分冊編集小委員会 委員長
- 2014/06 - 2017/05 土木学会 土木学会論文集編集委員会英文論文集編集小委員会 委員
- 2013/06 - 2015/05 土木学会 土木学会論文集編集委員会H分冊編集小委員会 幹事長
- 2013/06 - 2015/05 Editorial Committee, Japan Society of Civil Engineers, Japan Secretary-General, Volume H Editorial Subcommittee,
- 2013/06 - 2015/05 Committee on Hydroscience and Hydraulic Engineering, Japan Society of Civil Engineers (JSCE) Vice Chairman, Environmental Hydraulics Subcommittee
- 2013/04 - 2014/03 Hyogo Prefecture Chair Hokkesan_Dani River Improvement Plan Advisory Board/Promotion Plan Council
- 2004/07 - 2014/03 Visualization Information Society, Japan Member, Applied Study Group on Wavelets and Intelligent Visualization
- 2010/06 - 2012/05 Journal of Japan Society of Civil Engineers Editing Committee, Japan Society of Civil Engineers, Japan Member, Journal B1/B2/B3 Joint Editorial Subcommittee
- 2011/10 - 2012/03 Hyogo Prefecture Member, Hokkesan_dani River Basin Flood Control Technology Study Group
- 2011/01 - 2012/03 Hyogo Prefecture Member, Special Committee on Evacuation Measures
- 2009/07 - 2011/06 Committee on Hydroscience and Hydraulic Engineering, Japan Society of Civil Engineers (JSCE) Member, River Section
- 2008/06 - 2010/05 Kansai Branch, Japan Society of Civil Engineers Executive Secretary, FCC (Forum Civil Cosmos)
- 2008/03 - 2009/02 Himeji River and National Roadway Office, Kinki Regional Development Bureau, Ministry of Land, Infrastructure, Transport and Tourism, Japan Member, Committee for creating a river where fish can easily climb, the Ibo River