Naomi Aoyama is based in Debevoise’s Tokyo office, and is a member of the firm’s Corporate Department. Her practice focuses on international projects, including mergers and acquisitions, joint ventures and other transactions.

Ms. Aoyama practiced in Debevoise’s New York office for over 15 years before returning to Japan in 2015 to open our Tokyo office. Prior to joining Debevoise in 1999, she worked as an associate on various corporate transactions for Japanese and international clients at Nishimura & Asahi (f/k/a Nishimura & Partners), a leading Japanese law firm, from 1994 to 1998. From 1991 to 1992, she was a Legislative Staff Councilor of the House of Representatives of Japan.

Ms. Aoyama received her LL.B. in 1991 from the University of Tokyo, completed a two-year legal apprenticeship at the Legal Training & Research Institute of the Supreme Court of Japan in 1994 and received her LL.M. in 1999 from the University of Chicago Law School.

Ms. Aoyama was admitted to the bar in Japan in 1994 and in New York in 2000. She is a member of the Daiichi Tokyo Bar Association.


  • University of Chicago Law School, 1999, LL.M.
  • University of Tokyo, 1991, LL.B.

Bar Admissions

  • Japan
  • New York