Awards
Kei Asatsuma is a partner at Nagashima Ohno & Tsunematsu. His practice focuses on complex business transactions, including M&A, divestitures, spin-offs, joint ventures, strategic alliances, leveraged buyouts, private equity investing, restructuring and workouts, and recapitalizations. He also counsels clients in a wide variety of corporate matters, including corporate governance issues, and is often called upon to represent public companies involved in takeover and active shareholder defense.
He graduated with an LL.B. from the University of Tokyo in 1995 and with an LL.M. from the University of Chicago in 2002. He was admitted to practice law in Japan in 1997. He passed the New York Bar Exam in 2002, and worked at Kirkland & Ellis LLP from 2002 to 2003.
Practice Areas
Education/Professional Experience
- 1995
- The University of Tokyo (LL.B.)
- 1997 -
- Nagashima & Ohno (currently Nagashima Ohno & Tsunematsu)
- 2002
- The University of Chicago Law School (LL.M.)
- 2002 - 2003
- Kirkland & Ellis LLP, Chicago
- 2005 - present
- Partner, Nagashima Ohno & Tsunematsu
- 2016 - 2024
- Outside Director, Toyo Seikan Group Holdings, Ltd.
- 2025 - present
- Professor, University of Tokyo Graduate Schools for Law and Politics
Awards
Publications
-
Articles
The Legal 500: 9th Edition Mergers & Acquisitions Country Comparative Guide – Japan
(April 2025)
Kei Asatsuma, Shuichi Nishimura (Co-author)
- M&A
- Mergers & Acquisitions
-
Articles
Chambers Global Practice Guides Corporate M&A 2024 Japan – Trends & Developments
(May 2024)
Kei Asatsuma, Takahiro Oishi (Co-author)
- M&A
- Mergers & Acquisitions
- Corporate
- Corporate Governance
-
Articles
The Legal 500: 8th Edition Mergers & Acquisitions Comparative Guide – Japan
(April 2024)
Kei Asatsuma, Shuichi Nishimura (Co-author)
- M&A
- Mergers & Acquisitions
-
Articles
Lexology Panoramic – Distressed M&A 2024 Japan
(December 2023)
Kei Asatsuma, Tomohiro Okawa (Co-author)
- M&A
- Mergers & Acquisitions
- Restructuring and Insolvency