Division of Cardiology, Nihon University School of Medicine, Tokyo (Japan)
April 1992 - March 1998: Nihon University School of Medicine
April 1998 - March 2000: Internship, Nihon University School of Medicine
April 2000 - March 2004: Student, Division of Cardiology, Department of Medicine, Nihon University School of Medicine
April 2004 – August 2004: Instructor, Division of Cardiology, Department of Medicine, Nihon University School of Medicine
September 2004 – August 2005: Kasukabe City Hospital
September 2005 – October 2005: Instructor, Division of Cardiology, Department of Medicine, Nihon University School of Medicine
November 2005 – February 2008: Research fellow, Division of Cardiovascular Disease, Department of Internal Medicine, Mayo Clinic, Rochester, MN
April 2008 – March 2011: Instructor, Division of Cardiology, Department of Medicine, Nihon University School of Medicine
April 2011 – February 2016: Assistant Professor, Division of Cardiology, Department of Medicine, Nihon University School of Medicine
March 2016–March 2018: Associate Professor, Divi