Marius Nygaard Haug (born 1960) is a Norwegian jurist. Among others he has had a leading position in the Norges Bank Investment Management.
He is a son of Bjørn Haug and Agnes Nygaard Haug, and a grandson of Supreme Court Justice Marius Nygaard.[1][2] He graduated from the University of Oslo with the cand.jur. degree in 1988.[3]
He was working for the Norwegian Ministry of Finance when he in late 1992 was hired in the European Free Trade Association Surveillance Authority.[1] In 1994 he returned to Norway as the newly appointed chief jurist in the Financial Supervisory Authority of Norway.[4] In late 1997 he was hired as a legal manager in the Norges Bank Investment Management, which is responsible for managing the Government Pension Fund – Global upon which Norway's wealth builds, on a one-year contract.[5][6] Yngve Slyngstad was hired in the management at the same time.[5] Haug later headed the compliance department of Norges Bank Investment Management, with Slyngstad being director from 2008.[7]
Haug has been a member of the social clubs Det Norske Selskab and Norsk Anchorite Klubb.[8][9]