Kei Asatsuma

Partner

Tokyo Office

Languages
Japanese, English
Qualifications
1997, Japan (Dai-Ichi Tokyo Bar Association)

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

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