Kyushu university, school of medicine, fukuoka, Japan (M.D. 1993)
General & Cardiac Surgery Residency, Kyushu Univ. and affiliated hospital, Fukuoka, Japan (1993-1996
Post Graduate School, Kyushu University, Fukuoka, Japan (Ph.D 2000)
Assistant Professor, Department of Cardiovascular Surgery, Kyushu Univ. Fukuoka, Japan (2001-2002)
Congenital Cardiac Surgery, Fukuoka Children's Hospital, Fukuoka, Japan (2003-2004)
Pediatric Cardiac Sugery Fellow, The Cleveland Clinic Foundation, Cleveland, OH (2004-2005 )
Congenital heart surgery fellow, Texas children's hospital, Houston, TX (2005-)