Nagashima Ohno & Tsunematsu

Keiji is head of NO&T’s TMT Practice Team. Keiji’s practice focuses on M&A, IP/IT-related transactions, and data security/privacy matters. He has extensive experience representing global and local clients on complex business transactions as well as regulatory matters, with a particular focus on the TMT sectors, including new business fields such as AI/IoT, MaaS/CASE, Fintech, Blockchain/Crypto and NFT, as well as gaming and entertainment.

Also, has been actively involved in the rule-making processes; for instance, he has served as a member of:

• “AI Institutional Research Group”(Cabinet Office) (2024-)
• “Project Team on Innovation and Implementation of AI” (Liberal Democratic Party of Japan) (2023-)
• “Research Group on Consumer Transactions in Digital Society” (Consumer Affairs Agency) (2024-)
• “web3 Project Team” (Liberal Democratic Party of Japan) (2022-)
• “Task Force for Creation of New Markets for Startups” (Ministry of Economy, Trade and Industry) (2022-)

Joined Nagashima & Ohno in 2007. Became a Partner of Nagashima Ohno & Tsunematsu in 2018. Worked as a visiting attorney at Kirkland & Ellis, Chicago (2013-14).

Japanese, English.

Daiichi Tokyo Bar Association (2007; 2014).

Kyoto University (LL.B., 2004); Kyoto University Law School (J.D., 2006); Columbia Law School (LL.M., Harlan Fiske Stone Scholar, 2013).