JP
EN
Partner

Naomi Koshi

Bar Admissions

admitted in Japan, 2002 and readmitted in 2020
admitted in New York, 2010
admitted in California, 2021
Daini Tokyo Bar Association

Contact Information

TEL +81-3-6270-3500
FAX +81-3-6270-3501

Languages

Japanese, English

Offices/Locations

Otemachi, San Francisco

Background

Hokkaido University (LL.B., 2000)
Hokkaido University, Graduate School of Law (LL.M., 2001)
Nishimura & Asahi (Gaikokuho Kyodo Jigyo) (2002 - 2011)
Lecturer, Waseda University Graduate School of Asia Pacific Studies (2005)
Harvard Law School (LL.M., 2009)
Debevoise & Plimpton LLP, New York (2009 - 2010)
Visiting Fellow, Columbia Business School, Center on Japanese Economy and Business (2010 - 2011)
Intern, General Legal Division, Office of Legal Affairs, The United Nations Headquarters, New York (2011)
Mayor of Otsu City (2012 - 2020)
Young Global Leader, World Economic Forum (2015)
Champion Mayor for Inclusive Growth, OECD (2016)
Co-Chair, Japan Chapter of Harvard Law School Women's Alliance (2018 - present)
External Director, SoftBank Corp. (2021 - present)
Serving as liaison between Miura & Partners (US) and Otemachi office (based in the Otemachi office) (2023 - present)
Outside Audit & Supervisory Board Member, Mitsubishi Research Institute, Inc. (2023 - present)

Practice Areas

Seminars

News

2025.04.17 The Best Lawyers - 2026 edition
Awards & Rankings
2025.03.03 Miura & Partners expands US footprint with Seattle office
Media
2025.02.26 Notice of Opening of our Seattle Office
Notice
2025.01.10 Naomi Koshi commented on "Nippon Steel vs. Biden on U.S. Steel deal: 5 things to know"
Media
2024.09.12 Naomi Koshi commented on "Nippon Steel faces risks over U.S. Steel buyout even if deal goes through"
Media
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