Medical School, Tohoku University (M.D, 1986)
Tokyo University Hospital, General Surgery Residency (1986-1989)
Tokyo University Hospital, Cardiothoracic Surgery Residency (1989-1995)
University of Cincinnati, Cardiothoracic Surgery Fellowship (1996-1997)
Assistant professor, University of Tokyo (1998-2001)
Associate Professor, Department of Cardiovascular Surgery, Kyorin University (1998-)
Associate Professor, Department of Cardiothoracic Surgery, University of Tokyo (2002-)
Consultant Cardiovascular Surgeon, Tokyo Metropolitan Fuchu General Hospital (2003-2010)
Chief and Consultant Cardiovascular Surgeon, Tokyo Metropolitan Tama Medical Center (2010-)
AF Surgery
Minimally Invasive Cardiothoracic Surgery
Thoracoscopy