2016-present: Project Associate Professor, Division of Advanced Arrhythmia Management, Kyorin University School of Medicine, Mitaka, Japan.
2011-2016: Assistant Professor, Department of Cardiovascular Medicine, Kyorin University School of Medicine, Mitaka, Japan.
2008-2011: Assistant Professor, Cardiology Division, Keio University School of Medicine, Tokyo, Japan.
2004-2008: Cardiology Division, Keio University School of Medicine, Tokyo, Japan.
