Marianne Marthinsen, who graduated from the University of Oslo, has worked at Romerikes Blad, Workers' Youth League and Norwegian Parliament.
She graduated from University of Oslo in 2001, having studied economics. She was elected to the Norwegian Parliament from Oslo in 2005. She has a somewhat diverse working background, having been a journalist in Romerikes Blad, nurse assistant, office worker and secretary of the Workers' Youth League. 
