2020/04 - Today Toyo UniversityFaculty of Law Department of Managerial Law教授
2005/04 - Today Chuo UniversityFaculty of Law
2012/04 - 2020/03 Asia UniversityFaculty of Law Department of Law教授
2016/04 - 2017/03 Toyo UniversityFaculty of Law
2015/04 - 2016/03 Trinity College, University of Dublin School of Law visiting professor
2010/04 - 2012/03 Asia University法学部准教授
2009/09 - 2010/03 消費者庁 企画課個人情報保護推進室 政策企画専門官
2007/04 - 2010/03 Associate Professor
2008/08 - 2009/08 Cabinet Office
2005/04 - 2008/03 Hirosaki UniversityFaculty of Humanities
2003/04 - 2007/03 Lecturer
2002/04 - 2003/03 Chuo UniversityFaculty of Economics
2001/05 - 2002/07 Ministry of Internal Affairs and Communications