He is also active in the community and non-partisan issue advocacy, particularly in the areas of taxpayer protection, chronic illness and foster care/adoption issues.
He is a past chairman of the Arizona Federation of Taxpayers (now Americans for Prosperity-Arizona), which publishes the annual "Friend of the Taxpayer" rating of the Arizona Legislature.
He was a founding and long-time member of the local Hemophilia Association's Camp Committee, which organizes a summer camp for Arizona children with bleeding disorders, served as a volunteer camp counselor for 15 years, and is a past board member.
He is also a volunteer Youth Coach for both junior high and high school students in the non-denominational Christian church he attends with his family.
Murphy is a native of Phoenix and lives in Peoria, Arizona with his wife and five adopted children.