- 2017/04 - 現在 Tohoku University Graduate School of International Cultural Studies
- 2018/04 - 2024/03 Sophia University
- 2015/10 - 2017/03 Cabinet Office
- 2014/08 - 2015/10 Cabinet Office, Government of Japan Economic and Social Research Institute Researcher
- 2011/08 - 2014/07 Kyoto University Institute of Economic Research Associate Professor
- 2009/07 - 2011/07 Financial Services Agency, Government of Japan Financial Markets Division, Planning and Coordination Bureau Deputy Director
- 2008/07 - 2009/07 Cabinet Office, Government of Japan Division for Policy Planning, Quality-of-Life Bureau Deputy Director
- 2007/09 - 2009/03 Keio University Department of Economics Part-time Teacher
- 2006/07 - 2008/06 Cabinet Office, Government of Japan Division for Policy Planning, Quality-of-Life Bureau Policy Staff
- 2004/04 - 2006/07 Cabinet Office, Government of Japan Division for Economic and Fiscal Policy Planning, Economic and Fiscal Policy Bureau Staff Economist
- 2004/07 - 2006/06 Cabinet Office, Government of Japan Economic and Social Research Institute Researcher
- 2002/01 - 2004/03 Cabinet Office, Government of Japan Division for Economic and Fiscal Policy Planning, Economic and Fiscal Policy Bureau Staff Economist
- 2001/04 - 2001/12 Cabinet Office, Government of Japan Division for International Economic Policy, Economic and Fiscal Policy Bureau Staff Economist