2019/06 Associate Professor, Juntendo University Hospital, Department of Coloproctological Surgery, Tokyo
2016/08 Assistant Professor, Juntendo University Hospital, Department of Coloproctological Surgery, Tokyo
2013/12 Post-Doctral fellow in Johns Hopkins University, USA
2013/04 Assistant Professor, Juntendo University Hospital, Department of Coloproctological Surgery, Tokyo
2011/04 Assistant Professor, Juntendo University Shizuoka Hospital, Shizuoka
2009/04 Assistant Professor, Juntendo University Hospital, Department of Coloproctological Surgery, Tokyo
2007/04 Medical Staff in Surgery, Juntendo University Hospital, Department of Coloproctological Surgery, Tokyo
2006/05 Medical Staff in Surgery, Koshigaya City Hospital, Saitama
2005/05 Medical Staff in Surgery, Juntendo University Urayasu Hospital, Chiba
2004/05 Medical Staff in Surgery, Juntendo University Hospital, Department of Coloproctological Surgery, Tokyo
2002/05 Resident in Surgery, Juntendo University Hospital, Tokyo
2002/03 Passed the Examination of National Board