Osaka University Medical School(M.D. '89)
Osaka University (Resident'89-'90)
Kinan General Hospital (General Surg '90-'92)
National Cardiovascular Center(Resident, Senior Resident, Staff Surgeon '92-'98)
Osaka University (Ph.D '98)
Univ. of Alabama at Birmingham (Clinical fellow '98-'99)
Osaka University(Staff Surgeon'99-'00)
Osaka Police Hospital(Staff Surgeon'00-'01)
Univ. of Michigan(Clinical fellow '01-'03)
Osaka University (Staff Surgeon'03- )
Surgery for Congenital heart disease
Cardiovascular Surgery