Gavin, a founding partner of Doi/Luke, was born and reared in Honolulu, Hawai‘i, graduating from McKinley High School, and receiving his Bachelor of Arts in Political Science from Reed College in Portland, Oregon.  He received his Juris Doctorate from the University of Denver College of Law in Denver, Colorado. Previously, Gavin worked with the Child Support Enforcement Agency and the AmeriCorps Domestic Violence Clinic.  An advocate of pro bono legal work, Gavin volunteers time with Volunteer Legal Services Hawaii and the Hawai’i State Bar Association.


In 2013, Gavin co-authored the book Child Custody Litigation and Settlements (Aspatore Books/Thomson West), penning the section “Working with Your Client Towards a Successful Child Custody Case.”  Gavin is a member of the Hawaii State Bar Association and the HSBA Family Law Section, and was presented with the 2002 Justice Award by the Hawaii State Bar Association, which honors one lawyer annually for their outstanding contribution to the ideals of justice.  The Hawaii Access to Justice Commission honored Gavin in 2012 for his pro bono service to the community.


Gavin has extensive experience in divorce, paternity, child custody, child support, premarital/postmarital agreements, restraining orders, and other family law matters. He has been recognized by The Best Lawyers in America© for 2020 -2022 in the fields of Family Mediation and Arbitration in Hawaii, and is listed in Honolulu Magazine’s Best Lawyers in Hawaii for 2022.  He has a rating of “Distinguished” from Martindale-Hubbell®/, and an Avvo rating of 10 out of 10.



Contact info: 

(808) 593-2199



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Gavin K. Doi - America's Top 50 Lawyer - Family Law - Hawaii