Kyushu University Medical School (M.D.) 1980
Kyushu University Cardiac Surgery, Resident (1980-1986)
Good Samaritan Hospital in Los Angeles, Clinical Fellow (1987-1989)
University of Pittsburgh, Liver Transplant Service, Clinical Fellow (1989-1990)
University of Pittsburgh, Heart and Lung Transplant Service, Clinical Fellow (1990-1992)
Kyushu University, Assistant Professor (1982-2002)
Kyushu University, Associate Professor(2002-2005)
National Hospital Organization, Kyushu Medical Center, Director of Cardiovascular Surgery (2005-2008)
Saga University, Professor (2008-2016)
Saga University Hospital, President (2014-2016)
National Hospital Organization, Kyushu Medical Center, Vice President (2016-2018)
National Hospital Organization, Kyushu Medical Center, President (2018-present)