- 2023/08 - 現在 The University of Tokyo Department of Thoracic Surgery Professor
- 2021/04 - 2023/08 The University of Tokyo Hospital, Organ Transplantation Center Associate Professor
- 2015/04 - 2021/03 The University of Tokyo Hospital Department of Thoracic Surgery Lecturer
- 2011/07 - 2015/03 Kyoto University Hospital Department of Thoracic Surgery assistant professor
- 2010/07 - 2011/06 University Health Network, University of Toronto Surgeon Scientist, junor principle investigator
- 2008/07 - 2010/06 University Health Network, University of Toronto Clinical Fellow (Throacic Surgery, Cardiovascular Surgery, Lung Transplantation)
- 2005/07 - 2008/06 Institute of Medical Science, University of Toronto (Toronto, Canada) Graduate student; Ph.D program
- 2003/08 - 2005/06 Institute of Medical Science, University of Toronto (Toronto, Canada) Graduate student; Master of Science program
- 2001/09 - 2003/07 Matsue Red Cross Hospital (Matsue city, Shimane, Japan) Junior Staff Surgeon
- 2000/04 - 2001/08 Shimane Prefectural Central Hospital (Izumo city, Shimane, Japan) Resident
- 1999/04 - 2000/03 Kyoto University Hospital Resident