Honors and Awards:

• Listed by Honolulu Magazine as one of Hawaii's "Best Lawyers" (1999, 2001, 2003 and 2005).
• Recognized in "The Best Lawyers in America" in every edition from 1983 (the first edition) to the current 11th edition (2007, 2008), by Naifeh and Smith. "Best Lawyers" is a compilation based on the votes of over 900,000 lawyers nationwide who have selected those lawyers recognized to be "the best and brightest lawyers in America". , Best Lawyers in America, 1983
• Listed by Honolulu Magazine as one of Hawaii's "A+ Attorneys" (1993)., 1993
• In 2010 Geoff Hamilton was named by Best Lawyers in America its 2011 Honolulu Family Lawyer of the Year., 2011 Honolulu Family Lawyer of the Year, Best Lawyers in America, 2010

Special Licenses/Certifications:

• Certified Arbitrator, American Academy of Matrimonial Lawyers
• "a" "v" rated in Martindale Hubbell
• Certified Fellow, American Academy of Matrimonial Lawyers, 1981-Present, 1981

Bar/Professional Activity:

• Member, Hawaii Supreme Court Committee on Divorce Proceedings (2000-2001)
• Member of Board of Directors of Hawaii State Bar Association, Family Law Section 1990-Present)
• Appointed Special Master by the Family Court of the First Circuit Court (1988)
• Co-Chair, Special Guardian Ad Litem Committee, Family Law Section, 1994-1995; second term 2000
• elected Chairperson of the Family Law Section of the Hawaii State Bar Association (1991-1992, reelected 1995) 
• Editor, Child Custody Section, Hawaii Divorce Manual, 2000-Present, 2000

Scholarly Lectures and Writings:

• "Divorce; the Emotional Rollercoaster", Family Advocate, Winter, 1990.
• "Finding Your Way Through Hell - How to Survive Divorce", Family Advocate, Summer, 1990.
• "Further Reflections on Why My Client Is Nuts . . . An Inquiry Into the Psychodynamics of Divorce (Part II)", updated, revised edition; 1992 Divorce Law Update.
• ABA Compendium - ABA Family Law Section Annual Meeting, American Bar Association, 1989 and 1993; also Divorce Law Update, Vail, Colorado, 1989; revised and republished as "Why Is My Client Nuts? . . . Dealing With the Difficult Divorce Client", Hawaii Bar Journal No. 13, Vol. II, 1998.
• "Why Is My Client Nuts? . . . An Inquiry Into the Psychodynamics of Divorce"
• "Relocation Issues", ABA Family law Compendium, 2006
• Guide to the Psychodynamics of a Failing Marriage, Enlightened Divorce and Transition to Your New Life and a Successful New Relationship, 2004
• Relocation "Settlement Technologies for Relocation Cases", American Journal of Family Law, Volume 22, Number 3, Fall, 2008
• Speaker, ABA Family Law Section Annual Meetings, Honolulu, 2006, San Francisco, 1997, New York, 1993, Honolulu, 1989

Other Outstanding Achievements:

Educational Background:

• Duke University School of Law (J.D.) 1968
• Town School, Lick-Wilmerding School, San Francisco, CA 1957-1958
• Riverdale Country School, New York, NY 1961
• The College of Wooster (B.A., History) 1965