Tadashi Namisaki, Graduate School of Medicine, Nara medical university in 2006. He has served many positions including Internship, third department of internal medicine, Nara medical university (1997-1998); Fellow, Ishinkai Yao general Hospital (1998-2002); Fellow, Ishinkai Yao general Hospital (2006-2009); Assistant professor Third department of internal medicine, Nara medical university (2012-2015). He is primarily interested in Non-alcoholic steatohepatitis: pathophysiology, diagnosis and therapy, Liver fibrosis, bile acid.