Gavin 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. Gavin opened his practice upon receiving his bar admission in 1995. 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, restraining orders, and other family law matters, and has a Distinguished rating with Martindale-Hubbell®/Lawyers.com, and an Avvo rating of 10 out of 10.