Corporate, Litigation, and Labor & Employment Lawyers

Honolulu and Hilo, HI

Vaughn G.T. Cook


Business Organizations and Activities, Employment Compliance, Immigration, Liquor and Administrative Licensing, Tax Planning and Controversy

Vaughn G. T. Cook practices law as a Director in the firm's Hawaii Island office. A licensed Certified Public Accountant, not in public practice, as well as an attorney, his practice includes taxation law, general business/commercial law, immigration, and administrative licensing law statewide. Within the taxation area, Mr. Cook's areas of concentration are international taxation, corporate taxation and general business transactional planning for both profit and non-profit corporations. He also practices in the areas of commercial transactions, advising both closely held companies and individuals. He has been invited to speak on topics including taxation, immigration, nonprofit and corporate issues.

As a resident of the Firm’s Hawaii Island office which handles all of the Firm’s immigration work, Mr. Cook counsels colleges, schools, companies, airlines, scientific research institutions, hotels and individuals on non-immigrant working visas, immigrant visas, and related immigration matters.

Prior to joining the firm, Mr. Cook was a tax manager with Deloitte & Touche, one of the Big Four accounting firms, in its Seattle office where he represented a variety of clients ranging from some of the largest multinational corporations to closely-held businesses and high net-worth individuals.


  • Chair of the Hawaii Chapter of the American Immigration Lawyers Association, 2021 – present
  • President of the Hawaii County Bar Association, 2009
  • President of the Hawaii Island Chamber of Commerce, 2012 - 2013
  • Recognized by Volunteer Legal Services Hawaii and Hawaii County Council for outstanding volunteer service

Community Involvement

Mr. Cook is a member of the American Institute of Certified Public Accountants, the Hawaii Society of Certified Public Accountants and the Hawaii Association of Public Accountants.

Mr. Cook currently serves as the Chair of the Hawaii Chapter of the American Immigration Lawyers Association, Director of the Kona-Kohala Chamber of Commerce, Vice President of the Waiakea High School Foundation, and Treasurer of the Hawaii Shima Fukuoka Kenjinkai. Mr. Cook previously served as Vice Chair of the Hawaii Tax Review Commission (2015-2017), a state board that reviews the tax system of the State of Hawaii every five years. He is also a Past-President of the Hawaii Island Chamber of Commerce, the Hawaii County Bar Association and the Hawaii Shima Fukuoka Kenjinkai.


  • L.L.M., 2001, University of Washington
    • Major: Taxation
  • J.D., 1998, University of Utah
  • B.S.C., 1991, Santa Clara University
    • Major: Accounting
    • Minor: Japanese

Admitted to Practice

  • United State Tax Court, 2010
  • Hawaii State Bar, 2003
  • United States District Court, District of Hawaii, 2003
  • Washington State Bar, 1998

Areas of Practice