William Gerard Montgomery (born March 2, 1967) is an American attorney who has been a justice of the
Arizona Supreme Court
The Arizona Supreme Court is the state supreme court of the U.S. state of Arizona. Sitting in the Supreme Court building in downtown Phoenix, the court consists of a chief justice, a vice chief justice, and five associate justices. Each justi ...
since September 2019. He previously was the
County Attorney
In the United States, a district attorney (DA), county attorney, county prosecutor, state attorney, state's attorney, prosecuting attorney, commonwealth's attorney, or solicitor is the chief prosecutor or chief law enforcement officer represen ...
for
Maricopa County, Arizona
Maricopa County () is a County (United States), county in the south-central part of the U.S. state of Arizona. As of the 2020 United States census, 2020 census the population was 4,420,568, or about 62% of the state's total, making it the List ...
, from 2010 to 2019.
Early life and education
Montgomery is a
West Point
The United States Military Academy (USMA), commonly known as West Point, is a United States service academies, United States service academy in West Point, New York that educates cadets for service as Officer_(armed_forces)#United_States, comm ...
graduate and a
Gulf War
, combatant2 =
, commander1 =
, commander2 =
, strength1 = Over 950,000 soldiers3,113 tanks1,800 aircraft2,200 artillery systems
, page = https://www.govinfo.gov/content/pkg/GAOREPORTS-PEMD-96- ...
veteran. Commissioned as a
second lieutenant, he served six and a half years of active duty in the
United States Army
The United States Army (USA) is the primary Land warfare, land service branch of the United States Department of Defense. It is designated as the Army of the United States in the United States Constitution.Article II, section 2, clause 1 of th ...
, including as a tank commander in the
first Gulf War in Iraq, ending his service as a
captain
Captain is a title, an appellative for the commanding officer of a military unit; the supreme leader or highest rank officer of a navy ship, merchant ship, aeroplane, spacecraft, or other vessel; or the commander of a port, fire or police depa ...
.
Career
During Montgomery's tenure, the county attorney's office gained national recognition for its Restitution Specialist and Sex Assault Backlog programs.
While County Attorney, Montgomery called for written protocols to address use of force incidents and served as the Arizona State Director for the National District Attorneys Association.
In August 2019, attorneys for
Jodi Arias filed an ethics complaint against Montgomery, claiming he covered up misconduct and harassment by the lead prosecutor on the case. The complaint was later dismissed following a nearly 14-month screening process by the State Bar that found no evidence of any misconduct by Montgomery.
Elections
Arizona Attorney General

In 2006, Montgomery ran for
Arizona Attorney General
The Arizona attorney general is the chief legal officer of the State of Arizona, in the United States. This state officer is the head of the Arizona Department of Law, more commonly known as the Arizona Attorney General's Office. The state attorn ...
, losing to incumbent
Terry Goddard.
Maricopa County Attorney
In the 2010 special election to replace
Andrew Thomas, who resigned to run for Arizona Attorney General, Montgomery defeated interim county attorney
Rick Romley in the Republican primary. Montgomery went on to defeat Libertarian Michael Kielsky in the general election.
Montgomery won election to a full term in 2012 in a rematch against Kielsky. He won re-election again in 2016 against Democrat
Diego Rodriguez
Arizona Supreme Court appointment
In January 2019, Montgomery applied for an appointment to a vacancy in the
Arizona Supreme Court
The Arizona Supreme Court is the state supreme court of the U.S. state of Arizona. Sitting in the Supreme Court building in downtown Phoenix, the court consists of a chief justice, a vice chief justice, and five associate justices. Each justi ...
. The commission did not pass Montgomery's name to the governor, which is required for a judicial apportionment, citing "concerns over the pattern of misconduct at the Maricopa County Attorney's Office and a lack of relevant professional experience".
In June 2019, Montgomery applied for a second vacancy on the Arizona Supreme Court. This time, after Governor
Doug Ducey
Douglas Anthony Ducey ( ; ; born April 9, 1964) is an American businessman and Republican Party (United States), Republican politician who served as the 23rd List of governors of Arizona, governor of Arizona from 2015 to 2023 and as State Treas ...
replaced several members of the state judicial nominating commission, Montgomery's name was sent to the governor, who selected him for the supreme court seat on September 4, 2019. Montgomery was sworn into office on September 6, 2019.
References
External links
Biographyat
Ballotpedia
Ballotpedia is a nonprofit and nonpartisan online political encyclopedia that covers federal, state, and local politics, elections, and public policy in the United States. The website was founded in 2007. Ballotpedia is sponsored by the Lucy Bur ...
Vacancy Application Archived from th
originalon September 4, 2019.
{{DEFAULTSORT:Montgomery, Bill
1967 births
Living people
20th-century American lawyers
21st-century American judges
21st-century American lawyers
Arizona lawyers
Arizona Republicans
Justices of the Arizona Supreme Court
District attorneys in Arizona