Kyushu University School of Medicine(M.D.1965)
Toronto Univ Cardiovasc Surg Research Fellow 1972-73
Toronto Univ Cardiovasc Surg Residency 1973-74
Kyushu Univ Cardiovasc Surg Associate Prof 1979
Fukuoka Children's Hosp Cardiac Surg Head1980-1990
Kyushu Univ Cardiovasc Surg Associate Prof1990-93
Kyushu Univ Cardiovasc Surg Prof & Head 1993-present