David Euchner is the appellate unit supervisor and resource counsel of the Pima County Public Defender’s Office, professor of practice in criminal law and criminal procedure at the University of Arizona James E. Rogers College of Law, and the co-author of the Arizona Criminal Practice Manual published by Thomson Reuters. In 2014 he was the president of Arizona Attorneys for Criminal Justice, the state affiliate of the National Association of Criminal Defense Lawyers, and he was recently elected to be AACJ’s President in 2026, the first to repeat in that role. He has served as chair or co-chair of AACJ’s amicus and rules committee since 2011. Dave first served on the Arizona Justice Project board from 2014-2017 and returned to the board in 2025.

Dave has acted as counsel, for a party or for an amicus, in cases resulting in more than 100 published opinions, and he has participated in more than 80 oral arguments, evenly divided between the Arizona Supreme Court and Arizona Court of Appeals. He currently and has previously served on several committees of the State Bar of Arizona and the Arizona Supreme Court tasked with rewriting court rules and jury instructions. He received the Outstanding Performance Award from the Arizona Public Defender Association in 2016, the Vanguard Leadership Award (now named the Larry Hammond Leadership Award) from AACJ in 2017, and the Jack Williams Appellate Achievement Award from AACJ in 2021. He earned his BA and JD degrees from Rutgers University.