University of Tokyo(UT) (M.D. 1998)
UT Hospital General Surgery Residency(1998-99)
Funabashi Futawa Hospital General Surgery Staff(1999-2001)
UT Hospital General Surgery Staff(2001-02)
UT Hospital Cardiothracic Surgery Staff(2002-03)
Japanese Red Cross Medical Center(JRCMC) Cardiovascular Surgery Staff(2003-05)
UT Cardiothracic Surgery Postgraduate Student(2005-08)
JRCMC Cardiovascular Surgery Staff(2009-2010)
Beth Israel Deaconess Medical Center Research Fellow (2011-2012)
Assistant Professor, department of Cardiac Surgery, the University of Tokyo Hospital / Deputy Director, the University of Tokyo Tissue Bank (2013- )