(A) Academical societies
Director: International Association for Hydro-Environment Engineering and Research (IAHR) Japan Chapter (2022-)
Secretary: Subcommittee on Fundamental Hydraulics, Committee on Hydroscience and Engineering, Japan Society of Civil Engineers (2021-)
Member: Subcommittee on Disaster Research, Committee on Underground Space Research, Japan Society of Civil Engineers (2019-)
Member: Subcommittee on Fundamental Hydraulics, Committee on Hydroscience and Engineering, Japan Society of Civil Engineers (2018-)
Associate editor: International Journal of Erosion Control Engineering (2011-)
Editorial board member: International Journal of Sediment Research (2011-)
(B) Social
activities
Member: Committee on Rainwater Management Research, Japan Institute of Wastewater Engineering and Technology (2023-)
Member: River Technical Committee, Kyushu Regional Development Bureau, MLIT (2023-)
Advisor: Road Construction Project of Harimaya Ikku Line, Kochi Prefecture (2018-)
Expert: Committee on Disaster Mechanism of the Kuma Bridge, Kumamoto Prefecture (2023)
Instructor: JICA Training Course on Comprehensive Disaster Risk Reduction in Small Islands (Sediment Disasters: Mechanisms and Countermeasures) (2021, 2022)
Instructor: Disaster Management Training School of Kochi Prefecture on Building Preparedness for Flood and Sediment Disasters (2021)
