School of Medicine, Tohoku University (M.D. 1994)
Residency in Surgery, National Mito Hospital (1994-1997)
Residency in Cardiac Surgery, National Mito Hospital (1997-1998)
Graduate School of Medicine, Tohoku University (Ph.D. 2001)
Staff Surgeon, Department of Cardiovascular Surgery, Sendai City Medical Center (2002-04)
Staff Surgeon, Department of Cardiovascular Surgery, Tohoku University Hospital (2004-08)
Assistant Professor, Department of Cardiovascular Surgery, Tohoku University Hospital (2008-)
Valve surgery
Aortic surgery
Mitral valve repair
History (Roman, Japanese, etc )