Wenche Elizabeth Arntzen

Wenche Elizabeth Arntzen (born 26 June 1959) is a Norwegian lawyer and judge. She was appointed to the Supreme Court of Norway on 20 June 2014, having previously been a judge at the Oslo District Court.

From 16 April until 22 June 2012, she presided over the trial of Anders Behring Breivik following the 2011 Norway attacks, assisted by district court judge Arne Lyng and three lay judges.

Background Arntzen began her career as a consultant at the Ministry of Justice and the Police's Legal Issues section. From 1989 to 2003, she was a lawyer at the Office of the Attorney General of Norway. She attained to barrister, a lawyer with access to work with Supreme Court cases, in 1993. She then entered the law firm Kluge as a lawyer and partner. Since 2007 Arntzen has been a judge at Oslo District Court. She is also married to a jurist and is a cousin of psychology professor Erik Arntzen.

Since 2009, Arntzen has been a member of the Norwegian Parliamentary Intelligence Oversight Committee. She has also worked at the University of Oslo as commissioned lecturer in ethics.