School of Medicine, Keio University (M.D.1982)
Keio Univ. Surgery Postdoctoral course (1982-1986)
Keio Univ. Cardiovasc. Surgery Residency (1986-1989)
University of Pittsburgh Fellowship (1990-1992)
Child. Hosp. of Philadelphia Fellowship (1992)
Fontan circulation
Single Ventricle Phisiology
Heart, Lung Transplantation
Cerebral circulation during cardiopulmonary bypass