Ph.D., Kobe University, Japan (Sep. 2018)
LL.M., Emory University, U.S. (May 2010)
LL.M., University of Nottingham, U.K. (Dec. 2003)
LL.M., Kobe University, Japan (Mar. 1987)
LL.B., Ehime University, Japan (Mar. 1985)

Kwansei-Gakuin University, School of Law and Politics
— Vice Dean (Apr. 2017 to Mar. 2019)
— Professor of Law (Apr. 2005 to present)
Kanazawa University, Faculty of Law
— Professor of Law (Apr. 2002 to Mar. 2005)
— Associate Professor of Law (Apr. 1996 to Mar. 2002)
University of Osaka Prefecture, School of Economics
— Associate Professor of Law (Apr. 1994 to Mar. 1996)
— Lecturer of Law (Sep. 1990 to Mar. 1994)

Admitted to the Japan Bar Association (Mar. 2005 to present)
Counsel, Kato & Partners Law Office, Osaka, Japan (Mar. 2005 to present)

Study Group on Shareholder Derivative Suits in Asian and Pacific Countries, Japan Ministry of Justice. (Jun. 2007 to Mar. 2009)
Mediation Committee, Kanazawa Family Court (Oct. 2004 to Mar. 2005)
Japan Association of Private Law (Oct. 1988 to present)

University of Adelaide, Law School (Australia) Feb. 2020 to July 2020
University of California, Berkeley, Law School (U.S.) Aug. 2019 to Jan. 2020
Renmin University, Faculty of Law (China) Spring 2015 and Spring 2016
Jilin University, Faculty of Law (China) Summer 2006 and Winter 2008
University of Southampton, Faculty of Law (U.K.) Sep. 2000 to Aug. 2001