2024/11 - Today   The First Biennial Conference of the Asian Association for Environmental History (AAEH 2025)   Conference Organization Committee (COC), Vise-president   The First Biennial Conference of the Asian Association for Environmental History (AAEH 2025)(in person and online), Takamatsu (Saiwai-cho campus and Hayashi-cho campus of Kagawa University, Takahara Water mill) and Teshima, Kagawa, Japan, 26 September – 2 October 2025. 
https://www.iceds.net/aaeh/aaeh2025/
2023/10 - Today   Kagawa Prefectural Office (Takamatsu Civil Engineering Office)   Committee for River Channel Improvement in the Shinkawa River Mouth Area, Chairman
2023/06 - Today   Kagawa Professional Engineers Association   Secretary   https://kagawa.ipej-shikoku.org
2021/06 - Today   Japan Society of Civil Engineers, Shikoku Branch   Selection Civil Heritage Selection Committee
2021/03 - Today   Kagawa Prefecture   Industrial Waste Council, Member
2020/09 - Today   Aeolian Research - Editorial Board (Elsevier)   Associate Editor   https://www.journals.elsevier.com/aeolian-research/editorial-board
2016/08 - Today   Japan Society of Civil Engineers   Hydraulic Engineering Committee, Environmental Hydraulics Subcommittee, Global Warming Application WG, Member
2015/07 - Today   Japan Society of Civil Engineers   Hydraulic Engineering Committee, Journal editorial board, member
2013/06 - Today   Japan Society of Civil Engineers   Hydraulic Engineering Committee, Environmental Hydraulics Subcommittee, Member
2013/04 - Today   Ministry of Land, Infrastructure, Transport and Tourism, Shikoku Regional Development Bureau   Hydrological Observation Quality Control Study Group
2013/04 - Today   Ministry of Land, Infrastructure, Transport and Tourism, Shikoku Regional Development Bureau   River and stream waters environmental advisor
2010/04 - Today   Ministry of Land, Infrastructure, Transport and Tourism, Shikoku Regional Development Bureau   Member of the Doki River Basin Academic council, Member
2008/08 - Today   Kagawa Prefecture   Environmental Health Research Center, Research Theme External Evaluation Committee, Member
2008/03 - Today   Japan Society of Civil Engineers   Hydraulic Engineering Committee, Hydrology Subcommittee, Observer
2007/04 - Today   Kagawa Prefecture   My River in Kagawa Roundtable
2006/10 - Today   Ministry of Land, Infrastructure, Transport and Tourism, Shikoku Regional Development Bureau   Comprehensive Evaluation Area Subcommittee (Kagawa prefecture area) member
2005/04 - Today   Ministry of Land, Infrastructure, Transport and Tourism, Shikoku Regional Development Bureau   River counselor (Doki River basin)
2022/05 -2023/03   Kagawa Prefecture   Kasuga River Waterweed Control Watershed Study Committee Chair
2014/02 -2022/03   Ministry of Environment   Global warming prevention communicator
2020/06 -2021/06   Japan Society of Civil Engineers, Shikoku Branch   Secretary-general
2014/06 -2020/06   Japan Society of Civil Engineers, Shikoku Branch   Secretary
2014/06 -2020/06   Japan Society of Civil Engineers, Shikoku Branch   Internet Utilization Committee, Committee member
2014/06 -2020/06   Japan Society of Civil Engineers, Shikoku Branch   Community Contribution Business Steering Committee, Committee member
2014/06 -2020/06   Japan Society of Civil Engineers, Shikoku Branch   Management secretary
2014/06 -2020/06   Japan Society of Civil Engineers, Shikoku Branch   Secretary-general, Kagawa district
2017/12 -2019/11   JSPS   Specialist Member of Grants-in-Aid for Scientific Research Committee (Young Scientists) 22040 (Subdivision) (related to hydraulic engineering)
2017/04 -2019/03   Japan Society of Civil Engineers   River subcommittee, Member
2017/04 -2018/09   IGAC: International Global Atmospheric Chemistry   iCACGP: International Commission on Atmospheric Chemistry and Global Pollution、IGAC: International Global Atmospheric Chemistry Project, The joint 14th Quadrennial iCACGP Symposium and 15th IGAC Science Conference 2018, 大会現地実行委員
2010/04 -2018/03   Ministry of Land, Infrastructure, Transport and Tourism, Shikoku Regional Development Bureau   Under-road cavity survey work in Shikoku jurisdiction, Hearing committee member
2015/06 -2017/06   Japan Society of Civil Engineers   Hydraulic Engineering Commitee, member
2015/06 -2017/06   Japan Society of Civil Engineers   Hydraulic Engineering Committee, Secretary
2017/05 -2017/05   Japan Society of Civil Engineers, Shikoku Branch   The 23rd Technical Research Conference 2017 of Japan Society of Civil Engineers Shikoku Branch , Scoring Committee
2016/05 -2016/05   Japan Society of Civil Engineers, Shikoku Branch   The 22rd Technical Research Conference 2016 of Japan Society of Civil Engineers Shikoku Branch , Scoring Committee
2016/05 -2016/05   Japan Society of Civil Engineers, Shikoku Branch   The 22rd Technical Research Conference 2016 of Japan Society of Civil Engineers Shikoku Branch , Session Chair
2014 -2016   Kagawa Prefecture   Kagawa "Satoumi" Creation Council, Satoumi Circulation Working, Member
2014 -2015/08   Kagawa Prefecture   Dam review committee, Members
2010 -2011   Kagawa Prefecture   Kabagawa Dam Review Committee, Members
2008 -2009   Chusan Wide Area Administrative Union   Evaluation Committee, Member