Cassie Bray Woo

In 2019, Governor Ducey selected Judge Cassie Bray Woo to serve as a Maricopa County Superior Court judge. Judge Woo served in the Juvenile Division, on a juvenile dependency assignment, from her appointment in 2019 to July 2023. In July 2023, Judge Woo began serving in the Family Division.

Prior to joining the bench, Judge Woo clerked for the Honorable Frederick J. Martone, both at the Arizona Supreme Court and the United States District Court. Following her clerkship, Judge Woo served as an Honors Program attorney with the United States Nuclear Regulatory Commission in Washington, D.C. At the Nuclear Regulatory Commission, her civil and administrative law practice included working on the relicensing of nuclear power plants. In 2004, Judge Woo moved back to Arizona, to work in the Criminal Appeals Section at the Arizona Attorney General's Office. In the Criminal Appeals Section, she represented the State in criminal appeals, petitions for post-conviction relief, and petitions for writ of habeas corpus. Thereafter, in 2008, Judge Woo joined the United States Attorney's Office. At the U.S. Attorney’s Office, she prosecuted a wide variety of cases in the United States District Court, including drug trafficking, murder, assault, child sex abuse, firearms trafficking, public corruption, and alien smuggling cases. In 2015, Judge Woo was elevated to Deputy Chief of the General Crimes Section, and later becoming Section Chief in 2019, where she continued to serve until joining the bench.