2019/04 - Today Matsushita Library and Information CenterDirector
2015/08 - Today International University of JapanGraduate School of International RelationsProfessor
2014/04 - 2015/09 International University of JapanVice President
2013/04 - 2015/09 International University of JapanResearch InstituteDirector
2007/01 - 2015/07 International University of JapanResearch InstituteProfessor
1998/01 - 2006/12 International University of JapanResearch InstituteAssociate Professor
1994/10 - 1997/12 International University of JapanCenter for Japan-U.S. RelationsAssistant Professor
1989/09 - 1994/06 Office Taro KimuraWashington OfficeWashington Representative
1986/04 - 1989/06 Interanational University of JapanCenter for Japan-U.S. RelationsResearch Fellow
1985/09 - 1989/06 Johns Hopkins UniversityReischauer Center for East Asian StudiesTokyo Representative
1985/01 - 1985/03 Senator Edward Kennedy's OfficeForeign PolucyRoomIntern
1983/04 - 1984/03 Taiyo FishiriesOverseas Sugar Division