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John Matsumoto, Nutter McClennen & Fish LLP Photo

Overview

John K. Matsumoto is a partner in Nutter’s Private Client Department. John counsels clients on tax efficient and practical strategies to meet their personal estate planning objectives. He assists individuals, families, and businesses with their legal needs and focuses his practice on estate planning, estate and trust administration, and dispute resolution.

John is a member of the Probate and Estate Planning, Tax Law, and Elder Law Section of the Hawaii State Bar Association as well as having served as Treasurer of the Elder Law Section. He is a frequent lecturer on estate planning and has hosted a weekly radio program on estate planning, probate, and trust administration. In addition, John authored a chapter in the Encyclopedia of Estate Planning sponsored by the Hawaii State Bar Association.

Active in the community, John is involved with numerous organizations:

  • Diamond Head Theater, past Board of Directors member
  • Hawaii Lupus Foundation, past Advisory Board member, past Board of Directors member, past treasurer
  • Greater East Honolulu Community Association, past Board of Directors member
  • Best Buddies, past Board of Directors member
  • University of Hawaii Business Plan Competition, mentor
  • Pacific Century Fellows, member

Prior to entering the practice of law, John was an acquisition specialist handling mergers and acquisitions in Los Angeles and the accounting manager for Century Small Business Solutions in Honolulu.

News & Insights

Honors

Honors

  • Chambers High Net Worth (HNW), 2026
  • The Best Lawyers in America, 2017-2027
  • The Inaugural Lawdragon 100 Leading Global Wealth Lawyers, 2026
  • Honolulu Magazine and Hawaii Business Magazine, “Five Star Wealth Manager,” 2011-2013
  • Pacific Business News, “Forty and Under 40 Award,” 2008
  • The Best Lawyers in Hawaii, 2016-2020, 2023-2025
  • Super Lawyers (Hawaii), 2023-2026

Education & Admissions

Education

University of San Diego School of Law, J.D.
University of Southern California, B.S.

Admissions

  • Hawaii

Industries

Noteworthy

  • Chambers High Net Worth (HNW), 2026
  • The Best Lawyers in America, 2017-2026
  • The Inaugural Lawdragon 100 Leading Global Wealth Lawyers, 2026
  • Honolulu Magazine and Hawaii Business Magazine, “Five Star Wealth Manager,” 2011-2013
  • Pacific Business News, “Forty and Under 40 Award,” 2008
  • The Best Lawyers in Hawaii, 2016-2020, 2023-2025
  • Super Lawyers (Hawaii), 2023-2026
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