"1982, M.D.　University of Tokyo, Faculty of Medicine 
・The president of APASL (The Asian Pacific Association for the Study of the Liver) STC on HCC in Yokohama in 2018 and the chairman of ACTA (Asian Conference on Tumor Ablation) in Tokyo in 2021.
・The president of the 58th annual meeting of the Liver Cancer Study Group of Japan in 2021.
・The president of APASL annual meeting 2024 in Kyoto."