- 2024/06 - 現在 JSPA Chair, Organizing Committee
- 2020/04 - 現在 Graduate School of Law and Politics Director, Center for Legal and Political Practice
- 2019/08 - 現在 Osaka University Executive Officer
- 2013/04 - 現在 大阪大学大学院法学研究科教授
- 2020/11 - 2022/10 The Japanese Society for Public Administration Secretary-general
- 2015/09 - 2017/08 Osaka University Vice-Executive Officer
- 2008/10 - 2013/03 Associate Professor of Government, Graduate School of Law and Politics, Osaka University
- 2008/10/01 - 2011/03/31 Osaka University Graduate School of Law and Politics Department of Law and Political Science Associate Professor
- 2008/04 - 2008/09 Associate Professor
- 2005/10 - 2008/03 Associate Professor of Government and Public Policy, Graduate School of Law, Osaka City University
- 2000/04 - 2005/09 Associate Professor of Government
- 2002/07 - 2002/10 Short-term Consultant, World Bank
- 1999/09 - 2000/09 Senior Associate Member, British Council Fellowship Grant, St Antony's College, University of Oxford
- 1998/04 - 2000/03 Lecturer
- 1997/04 - 1998/03 Research Associate, Faculty of Law, Konan University, Kobe