In 1995, he joined the Forestry and Forest Products Research Institute (FFPRI), where he served as team leader (in charge of risk assessment) before assuming his current position in 2019. He has been conducting research on the mechanism and risk assessment of landslides based on field observations, and received the outstanding performance award on IAEG 10th Asian Regional Conference in 2015 and the Best Technical Report Award of the Japan Landslide Society in 2016. Since 2020, he has been engaged in F-DRR (Forest based Disaster Risk Reduction) project in Southeast Asia (Vietnam).