Associate, Mitsui, Yasuda, Wani & Maeda, Tokyo, 2000-2004; Foreign Associate, Financial Transactions Practice Group, Haynes and Boone, LLP, Dallas, Texas, 2006-2007; Member of the Legal Committee of Japan Professional Football League (J. League) Oct. 2008-; Chairman of the Legal Committee of J. League, Feb. 2012-; Statutory Auditor of J. League, Jul. 2010-Mar. 2012; Member (Club Representative) of Dispute Resolution Chamber of Fédération Internationale de Football Association (FIFA), Nov. 2013-Sep. 2017; Chairman of the Legal Committee of Japan Professional Basketball League, Sep. 2015-; Independent Director of kabu.com Securities Co., Ltd., Jun. 2017-; Independent Director of TETSUJIN Inc., Aug. 2017-. Co-Author: "The Practice of Reform of Corporate Governance," Nihon Keizai Shinbunsha, 2003; "Security Measures Under Private Information Protection Law," Kinyu-Homu Jijo No. 1734, 2005; "New Corporate Law Q & A," Seibunsha, 2005; "Victory by Shareholders/Victory over Shareholders-Proxy Fight and Management of Sharehonders' Meeting," Shojihomu, 2008; "The Prince Hotel Affair and Mission of Companies," New Business Law No.911, 2009; "Earthquake Disaster and Countermeasures Against Shareholders' Meeting," Shojihomu, 2011; "8 Anticipated Questions which Should be Prepared for This Year's Shareholders' Meeting," Business Homu Vol.12 No.5, 2012; "Specialized Suit Lecture Series No.7, Corporate Litigation, Lawsuits/ Non-contentious Cases/ Provisional Disposition Cases," Minjiho-Kenkyukai, 2013; "Practice of Preparation for Shareholders' Meeting for Year 2017 and Anticipated Questions and Planed Answers," Chuokeizai-sha, 2017; "Everything of Effective Management of Subsidiaries," Shojihomu, 2018.