- 2018/04 - Waseda University
- 2016/04 - 2018/03 Waseda University Graduate School of Business and Finance
- 2004/04 - 2014/03 Waseda University Graduate School of Finance, Accounting and Law
- 2004/04 - - Waseda University , Graduate School of Finance, Accounting & Law, Professor
- 1993/04 - 2004/03 Chuo University, Faculty of Economics, Professor 1994/10-1995/3 Hitotsubashi University, Visiting Professor
- 1993/03 - 2004/03 Chuo University Faculty of Economics
- 1999/04 - 2000/03 Oxford大学 Guest Scholar
- 1999/04 - 2000/03 Oxford Univeristy Guest Scholar
- 1998/04 - 1999/03 Osaka University Osaka School of International Public Policy
- 1998/04 - 1999/03 月 Osaka Univeristy, OSSIP Visiting Professor
- 1994/10 - 1995/03 Hitotsubashi University Institute of Economic Research
- 1988/04 - 1993/03 Meikai University Faculty of Economics
- 1989/07 - 1990/02 The Brookings Institution Guest Scholar
- 1989/07 - -90/2 The Brookings Institution Guest Scholar
- 1988/04 - -93 Meikai University, Faculty of Economics, Associate Professor
- 1985/11 - 1988/03 財団法人日本証券経済研究所 主任研究員
- 1985/11 - Japan Securities Research Insitute, Senior Researcher
- 1972/04 - 1985/10 財団法人日本証券経済研究所入所 研究員
- 1972/04 - Japan Securities Research Insitute, Researcher
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日本ファイナンス学会
, 金融学会
, 日本経済学会
, ヨーロッパ・ファイナンス学会
, Nippon Finance Association
, Society for the Economic Studies of Securities
, Japan Society of Monetary Economics
, Japanese Economic Association
, European Finance Association
, International Corporate Governance Society