David D. Weinzweig

David D. Weinzweig was appointed to the Arizona Court of Appeals in December 2017.  Judge Weinzweig is an Arizona native.  He received his B.A. from the University of Arizona and his J.D. from Arizona State University.

Judge Weinzweig has considerable experience in private practice and the public sector.  He represented corporate and government clients in commercial litigation, specializing in antitrust law, and he served three Arizona Attorneys General, defending dozens of high-profile complex and constitutional lawsuits and appeals.  Prior to his appointment, he practiced constitutional and commercial litigation in trial and appellate courts at Ellman Weinzweig.
Judge Weinzweig has served on various rules and practice committees, including the Civil Justice Reform Committee and the Local Rules of Practice Advisory Committee of the U.S. District Court for the District of Arizona.  He now serves on the Arizona Commission of Judicial Performance Review and the Judicial Selection Advisory Committee of the City of Phoenix.

He has authored and co-authored full chapters in seminal treatises on antitrust law, corporate in-house legal practices and consumer protection.  He helped build and thrice chaired a popular awards program to honor local attorneys for community and public service.  He often teaches legal writing and persuasion to attorneys and law students.