Kyoto Prefectural University of Medicine, Japan(M.D. 1985)
Assistenzarzt, Herzzentrum NRW, Germany (1990- 1993)
Director, Cardiovascular Surgery, Shiga National Hospital, Japan (2000- 2006)
Director, Cardiovascular Surgery, Nantan Hospital, Japan (2006- 2008)
Director, Cardiovascular Surgery, Kusatsu General Hospital, Japan (2008- 2017)
Director, Cardiovascular Surgery, Higashioumi Keiai Hospital, Japan (2017- )