Masaki Mizukoshi

Partner

Tokyo Office

Masaki Mizukoshi

Partner

Tokyo Office

Contact

People

Masaki Mizukoshi is a partner at Nagashima Ohno & Tsunematsu. His practice focuses on a wide range of domestic and cross border M&A related transactions, including private equity investment and acquisition finance. He has extensive experience in various types of commercial transactions, minority investments, and joint venture transactions in the technology field as well as global data compliance and cybersecurity-related matters involving Europe, the U.S. and Asia. He also represents clients in corporate governance and other general corporate matters.

Languages

Japanese, English

Qualifications

2011, Japan (Dai-Ichi Tokyo Bar Association)

Languages

Japanese, English

Qualifications

2011, Japan (Dai-Ichi Tokyo Bar Association)

Education/Professional Experience

2009: Chuo University (LL.B.)
2011 -: Nagashima Ohno & Tsunematsu
2017: Columbia Law School (LL.M., Harlan Fiske Stone Scholar)
2017 - 2018: Covington & Burling LLP, Washington, D.C.
2022 - present: Partner, Nagashima Ohno & Tsunematsu

Masaki Mizukoshi

Masaki Mizukoshi

Education/Professional Experience

Seminars

Recent Legal Topics in Technology Field 2024

Basics of Foreign Investment Regulatory Compliance in View of Recent Developments in Economic Security

Publications

Lexology Panoramic – Technology M&A 2025 Japan

Lexology Panoramic Next – Private Equity 2024 Japan

TMT: Recent Developments for Ride-hailing in Japan

<CASE/Mobility Update> Developments for Ride-hailing in Japan

Awards

High evaluation received in the 2025 Edition of “The Best Lawyers in Japan”

High evaluation received in the 2024 Edition of “The Best Lawyers in Japan”

Topics

Announcing New Partners and Counsel of NO&T