・ Observer of the Wholesale Retail Working Group at the First Subcommittee of the Financial System Council, the Financial Service Agency (December 1998 to February 2000)
・ Law Lecturer, Chuo Law School (April 1999 to July 2002)
・ Member of the Securities Business Committee, the TSE Trading Participants Association (July 2000 to July 2002)
・ Member of the Disclosure Working Group at the First Subcommittee of the Financial System Council, the Financial Service Agency (October 2001 to March 2002)
・ Mediator, the Japan Securities Dealers Association (July 2004 to June 2011)
・ Member of the Disciplinary Committee at the Tokyo District Office, the Japan Securities Dealers Association (July 2005 to June 2010)
・ Member of the Compliance Committee Regarding Conflict of Interest, Japan Hotel and Resort K.K. (August 2005 to September 2010)
・ Member of the Compliance Committee, the Japan Securities Dealers Association (February 2006 to present)
・ Member of the Special Committee Regarding the Operation of Large-scale Purchase Rules and the Implementation of Countermeasures, GMO Internet Group, Inc. (April 2006 to present)
・ Regular attendance and legal advice as an external expert at the Group Compliance Committee, Resona Holdings, Inc. (March 2007 to December 2011)
・ Member of the Independent Committee on Takeover Defense Measures, Hikari Business Form, Co., Ltd. (April 2007 to March 2010)
・ Outside Member of the Compliance Committee, Mitsui Fudosan Investment Advisors, Inc. (September 2007 to present)
・ Member of the Independent Committee on Takeover Defense Measures, Bull-Dog Sauce Co., Ltd. (September 2007 to June 2017)
・ Outside Corporate Auditor, GMO Pepabo, Inc. (May 2008 to March 2014)
・ Outside Corporate Auditor and Member of the Compliance Committee, au Jibun Bank Corporation (June 2008 to March 2019)
・ Outside Corporate Auditor, Culture Convenience Club Co., Ltd. (June 2009 to August 2011)
・ Executive Officer, Japan Hotel and Resort K.K. (September 2010 to April 2012)
・ Outside Corporate Auditor, Commons Asset Management, Inc. (February 2013 to present)
・ Outside Director, Kando Co., Ltd. (June 2014 to June 2017)
・ Outside Corporate Auditor, CROSSWARP Inc. (October 2014 to August 2018)
・ Executive Officer, Japan Hotel REIT Investment Corporation (November 2015 to present)
・ Director (Independent Director) and Member of the Audit and Supervisory Committee, GMO Internet Group, Inc. (March 2016 to present)
・ Outside Corporate Auditor, au Financial Holdings Corporation (April 2019 to present)
・ Auditor, Japan Sports Photography Association (May 2019 to present)
・ Outside Director and Member of the Audit and Supervisory Committee, Nomura Securities Co., Ltd. (June 2021 to present)
・ Advisor, Seven-Eleven Japan Co., Ltd. (July 2021 to present)
・ Auditor, Hanamaru Shinsei Foundation (June 2023 to present)
・ Outside Member of the Compliance Committee, Nippon Life Insurance Company (July 2023 to present)
・ Outside Member of Corporate Innovation Promotion Committee, Aioi Nissay Dowa Insurance Co., Ltd.（April 2024 to present)
・ Outside Director and Member of the Audit and Supervisory Committee, Preferred Networks, Inc. (April 2024 to present)

・ Complete Legal Forms Annotated Vol.29 - "International Civil Litigation" (Sanseido, 1994) [co-author]
・ "International Business Lawyer Data File" (Chuokeizai, 2000) [co-author]
・ "Internal Control System and Compliance at Securities Firm" (Record of Seminar held at the Securities Management Committee of the TSE Regular Members Association, 2000)
・ "Deregulation of Securities Companies - Approaches to Relaxation and Review of Regulations" (Record of Seminar held at the Securities Business Committee of the TSE Trading Participants Association, 2004)
・ "Compliance Required in the Field of Securities Sales" (FR Business July, 2000 issue)
・ "Lifting of the Ban on Securities Brokerage Business and Its Impact" (Financial Compliance Vol.6 No.4, 2004)
・ "Special Feature: Securities Brokerage Business and Compliance Seen in Case Studies" (Financial Compliance Vol.6 No.10, 2004)
・ "Viewpoint of Reviewing Privacy Protection and Compliance" (JCPC NEWS LETTER April 2005 issued by Japan Privacy Consultants Association)
・ "Practice under Japanese New Corporation Law" (Chukei Publishing, 2005) [author & editor]
・ "High Net Worth Business and Compliance" (Monthly Report issued by the Regional Banks Association of Japan, 2005)
・ "Internal Control System at Securities Firms under the New Inspection System of the Financial Service Agency" (Record of Seminar held at the Japan Securities Dealers Association, 2005)
・ "Suitability regarding Financial Instruments" (Financial Compliance Vol.7 No.12, 2005)
・ Prefatory note of Financial Compliance October, 2006 Issue (Banking Education)
・ "Reasons for Repeated Insider Trading" (Business Legal Affairs Vol.12 No.9, etc., 2012)
・ "Technique to Achieve a Purpose" (Diamond, 2009) [author]
・ "Let's Stop! the Compliance with Laws and Regulations" (Forest Publishing, 2012) [author]
・ "Striving to Change Your Life: The Rules" (Kanki Publishing, 2014) [author]
・ "Social Media Risk Management vo.1-5" (Business Law Journal April 2015 issue to August 2015 issue) [co-author]
・ "Theory and Practice of Emotional Compliance vo.1-14" (Business Law Journal December 2016 issue to January 2018 issue)
・ "Emotional Compliance" (Chuokeizai, 2021) [author]
・ "Cyber Risk and Corporate Law vo.1, 4, 5" (Shojihomu Journal No.2317 [co-author], No.2320-2321, 2023 [author])

・ Selected as one of the "Best Lawyers in Japan" in 2009, 2010, and 2012-2020.
・ Received "Employment Law Firm of the Year in 2013" from Finance Monthly and ACQ5 and "Labor/Employment Lawyer/Law Firm of the Year in 2013" from Lawyer Monthly in 2013.
・ Selected in 2012 as a "Highly Recommended Lawyer in the Field of Employment and Labor Law", in 2013 as a "Recommended Lawyer and Law Firm in the Field of Employment and Labor Law," and in 2014 and 2015 as a "Recommended Law Firm and Lawyer (affiliated to the firm)" in The Legal 500 Asia Pacific.
・ Selected as a "Prominent Legal Firm" in the field of Japanese capital markets and M&A in IFLR1000 in 2015, 2016, and 2017.
・ Selected as a "Recommended Law Firm" by Asia Law Profiles in 2016 and 2017.
・ Received "Boutique Law Firm of the Year" in Asian Legal Business (ALB) Japan Law Awards in 2018.
・ Selected as "Japan's Top 100 Lawyers 2020" by Asia Business Law Journal in 2020.