Extensive experience as counsel in a number of construction disputes relating to the oil and gas industry.
Partner law firm Wikborg Rein from 2012.
Attorney, Office of the Attorney General - Civil Affairs, 2008 - 2012.
Lecturer, Faculty of Law, University of Oslo (inter alia contract law and civil procedure), 2004 - date.
Visiting Research Fellow, Columbia Law School, 2011.
Visiting Scholar, Harvard Law School, 2005.
Associate/senior associate, Wikborg Rein, 2004 - 2007.
Research Assistant, Scandinavian Institute of Maritime Law, University of Oslo, 2003.
Member of the Arbitration and Dispute Resolution Institute of the Oslo Chamber of Commerce.
Member of the Norwegian Bar Association's Mediation Committee.
Member of the Norwegian Bar Association's Legal Committee on Litigation and Arbitration.
Extensive experience from disputes relating to construction of various offshore facilities such as platforms, equipment and also land based plants including several major and landmark cases. Mr. Nisja also serves as arbitrator and is well-versed and a published author within arbitration and alternative dispute resolution (ADR).