Judge Samuel Anderson Thumma has served on the Arizona Court of Appeals, Division One, since 2012. He was chief judge from 2017-2019 and assistant chief judge from 2015-2017. He was a judge for the Arizona Superior Court from 2007 to 2012. Judge Thumma chairs the ABA's Judicial Division Appellate Judges Conference; is a Uniform Law Commission; an Advisor for the ALI Restatement of the Law (Third) of Torts: Remedies; and a member of the Joint Technology Committee. He chairs the Arizona Commission on Access to Justice and co-chairs the COVID-19 Continuity of Court Operations During Public Health Emergency Workgroup. A frequent speaker and author, he was a partner at Perkins Coie Bron & Bain, P.A., Phoenix, and an associate at Arnold & Porter, Washington, D.C. He was a law clerk for Arizona Supreme Court Chief Justice Stanley G. Feldman and Judge David R. Hansen, U.S. District Court for the Northern District of Iowa. He earned a Master of Laws from Duke University School of Law (2020); a J.D. from University of Iowa College of Law (1988); and a B.S. from Iowa State University (1984).