Samuel A Thumma

Judge

Arizona Court of Appeals - Division One

Judge, Arizona Court of Appeals, Division One, Phoenix, Arizona, since 2012, and Chief Judge 2017-2019. Sam is a member of the National Judicial College Board of Trustees; is a Uniform Law Commissioner, where he serves as Secretary and on the Executive Committee and is an ABA Presidential appointee to the Advisory Council of the ABA Task Force on Law and Artificial Intelligence and the Standing Committee on Lawyer Referral and Information Services. He is a member of the Joint Technology Committee, appointed by the National Center for State Courts, and is an Advisor to the American Law Institute’s RESTATEMENT OF LAW (THIRD) OF TORTS: REMEDIES project. Sam chairs Arizona’s Commission on Access to Justice, having previously chaired various Committees, Commissions and Task Forces for the Arizona Supreme Court and the State Bar of Arizona. In 2023, he received the James A. Walsh Outstanding Jurist Award from the State Bar of Arizona and, in 2021, he was named the Judge of the Year by the Arizona Supreme Court. Sam co-teaches evidence at ASU’s Sandra Day O’Connor College of Law. He has presented at more than 500 law-related programs in more than 20 states and published 18 law review articles, six book chapters and nearly 70 other law-related articles. Sam served as a Judge on the Maricopa County Superior Court for five years; a partner at Perkins Coie Brown & Bain, P.A., Phoenix, and an associate at Arnold & Porter, Washington, D.C. He clerked for Arizona Supreme Court Chief Justice Stanley G. Feldman and Federal Judge David R. Hansen, Northern District of Iowa. Sam received a Master of Laws, Duke University School of Law (2020); J.D., Order of the Coif, University of Iowa College of Law (1988), and B.S., Iowa State University (1984), where he was a Truman Scholar.