- 1992
- The University of Tokyo (LL.B.)
- 1999
- The University of Tokyo (LL.M.)
- 2000 - 2012
- Anderson Mori & Tomotsune
- Apr 2002 -
Oct 2002
- Beijing Language and Culture University, Beijing
- Jun 2005 -
Jul 2005
- Saint Island International Patent & Law Offices, Taipei
- 2006
- Stanford Law School (LL.M.)
- 2006 - 2007
- Finnegan, Henderson, Farabow, Garrett & Dunner LLP, Washington, D.C., Reston and Palo Alto
- Jul 2007 -
Aug 2007
- ICC International Court of Arbitration, Paris
- 2008 - 2010
- Lecturer, Rikkyo University Law School
- 2009 - 2012
- Commission Member, Japanese Law Translation Project, Ministry of Justice
- 2009 - 2010
- Commission Member, Legal Issues on Cross - Border Electronic Transactions, Ministry of Economy, Trade and Industry
- 2009 -
Mar 2011
- Commission Member, Investment Treaty Arbitration, Ministry of Economy, Trade and Industry
- 2010 - 2015
- Adjunct Lecturer, Keio University Law School (International Project Relevant Laws Workshop Program)
- 2012 - present
- Partner, Nagashima Ohno & Tsunematsu
- Mar 2013 - present
- Arbitrator candidate, The Chinese Arbitration Association, Taipei
- 2013 - 2017
- Co-Chair, International Construction and Project Committee of the Inter-Pacific Bar Association (IPBA)
- Jan 2014 -
Dec 2015
- Director, Japan Association of Arbitrators
- Jun 2014 -
Dec 2016
- Director, International Academy of Construction Lawyers
- Aug 2014 - present
- Commission Member, Subcommittee on Unfair Trade Policies and Measures under the Trade Policy Committee of the Industrial Structure Council, Ministry of Economy, Trade and Industry
- Nov 2014 - present
- Member, Legal Advisory Task Force, Energy Charter Treaty
- Dec 2014 -
Dec 2016
- Executive, Committee on International Commercial / Investment Arbitration and ADR, International Practice Development Centre, Japan Federation of Bar Associations
- Dec 2014 -
Dec 2016
- Council, Legal Service Development Headquarters, Japan Federation of Bar Association
- Jul 2015 - present
- Member, Society of Construction Law (UK)
- Jun 2016 -
Apr 2018
- Committee Member, Subcommittee on Contract & Legal, The Engineering Advancement Association of Japan (ENAA)
- 2019 - present
- Member, Swiss Arbitration Association (ASA)
- 2019 - 2022
- Committee Member, Japan Commercial Arbitration Journal (JCAJ)
