Ann A. Scott Timmer was appointed to Division One of the Arizona Court of Appeals in 2000 by Governor Jane Dee Hull.
Judge Timmer graduated from the University of Arizona in 1982, earning a Bachelor of Arts degree. She received her juris doctorate degree magna cum laude from Arizona State University in 1985. While attending ASU, Judge Timmer was a Note and Comment Editor for the Arizona State Law Journal, a member of the National Appellate Advocacy Team and a member of the National Moot Court Team (regional winner). She received the American College of Trial Lawyers Medal for Excellence in Advocacy, and was elected to the Order of the Coif and the Order of Barristers.
Before her appointment to the court, Judge Timmer practiced law with private law firms located in Phoenix, Arizona. Her practice focused primarily on commercial and employment litigation, and she practiced before state and federal trial and appellate courts, and administrative tribunals. Judge Timmer also tried capital murder cases as a defense attorney and later as a special prosecutor. In 1988, she received commendation from the Speaker of the House of Representatives, State of Arizona, for outstanding service as legal counsel in the impeachment of former Governor Evan Mecham. During her time in practice, among other activities, Judge Timmer served as a Lawyer Representative to the Ninth Circuit, President of the Arizona Women Lawyers Association (Maricopa Chapter), a member of the Volunteer Lawyers Advisory Board, and served on the Boards of Directors for Community Legal Services and New Arizona Family, Inc.
Judge Timmer currently participates in many professional and community activities, including the Arizona Foundation for the Handicapped (non-profit, board Vice Chair), the Arizona Women Lawyers Association (state board member), the National Association of Women Judges (member, board of directors), the Council of Chief Judges of the State Courts of Appeal (executive board member), City of Glendale Judicial Selection Advisory Board, Chair of the Supreme Court's Committee on Improving Judicial Oversight and Processing of Probate Court Matters, and memberships in the Supreme Court’s Commission on Judicial Education and Training (Vice Chair), the Supreme Court’s Commission on Technology, and Arizona Judicial Council.