Sapporo Medical College (M.D. 1986)
Post graduate school of Sapporo Medical University (Ph.D. 1990)
Sappro Medical University Thoracic & Cardiovascular Surgery Clinical Fellow (1990-1992)
University of Pittsburgh Research Fellow (1992-1994)
Sappro Medical University Thoracic & Cardiovascular Surgery Clinical Fellow (1995-1996)
Sappro Medical University Dept. of Traumatology Instructor(1996-1997)
Sappro Medical University Thoracic & Cardiovascular Surgery Instructor (1997-1999)
Sappro Medical University Thoracic & Cardiovascular Surgery Assistant Professor (1999- present)
Valvular surgery
Lung transplantation
Ischemic heart disease
Heart transplantation