DIANA HAGEN portrait
  • Adjunct Professor, College Of Law - Dean
  • Adjunct Professor, College Of Law


Diana Hagen is the Appellate Chief of the United States Attorney's Office for the District of Utah. She received her law degree Order of the Coif from the University of Utah College of Law (1998), where she received 1st Place, Best Brief, and Best Oral Advocate in the Traynor Moot Court Competition, competed as a member of the National Moot Court Team, and served as a Note and Comment Editor of the Utah Law Review. Following law school, she served as a law clerk for federal District Court Judge Tena Campbell. After her clerkship, she joined the litigation section of the Salt Lake City law firm of Parr Waddoups Brown Gee & Loveless, where she focused on media and First Amendment law. Diana joined the Appellate Section of the United States Attorney's Office in January 2001. Since that time, she has briefed well over 200 appeals and has presented more than 60 appellate arguments before the Tenth Circuit Court of Appeals in Denver, Colorado. As Appellate Chief, Diana is responsible for supervising all federal criminal appeals from the District of Utah as well as assisting with civil appeals. In addition to her appellate work, Diana periodically works on novel or challenging matters at the trial court level. Most notably, Diana was on the trial team that successfully prosecuted Brian David Mitchell and Wanda Barzee for the kidnaping of Elizabeth Smart. Diana is a Past-President of both the Salt Lake County Bar Association and the Utah Chapter of the Federal Bar Association and currently serves as Secretary of the Women Lawyers of Utah. Diana is also a member of the U.S. District Court Attorney Discipline Committee and the Utah board of the Tenth Circuit Historical Society. Diana spends her free time with her husband and two children and volunteers as a Girl Scout troop leader.