Justice William Montgomery

Justice William Montgomery

Arizona Supreme Court


Justice William G. Montgomery was appointed to the Arizona Supreme Court in 2019. Prior to his appointment, he served as the Maricopa County Attorney beginning with his election at a Special Election in 2010. In addition to his official duties as a County Attorney, he served on numerous boards, commissions, and task forces, including chairing the Arizona Substance Abuse Partnership, the Maricopa County Justice Coordinating Council, and Governor’s Task Forces on Child Safety, Human Trafficking, and Sexual Assault Evidence Collection Kit. Prior to assuming elected office, Justice Montgomery served as a Deputy County Attorney, as well as practicing civil

law with a local insurance defense firm and advocacy work on behalf of victims of crime. Justice Montgomery earned a B.S. degree and received a commission as a Second Lieutenant in the Army from the United States Military Academy at West Point in 1989. During his time on Active Duty, he served in Operations Desert Shield and Desert Storm with the 1st Cavalry Division and commanded an Armored Cavalry Troop with the 3rd Armored Cavalry Regiment. Justice Montgomery received his law degree from Arizona State University in 2001.