Marion has been associated with NBA since 1996 and has worked as classical teacher since 2006. From 2015 she is working with lower school pupils as a social/mental training coach.
She was trained at Scapino Dansacademie and went on dancing for five years with the Scapino Ballet Company. There she performed choreographies by Van Manen, Christe, Wubbe, Van Schayk, Navarro.
In 1990 she joined the Royal Swedish Ballet where she danced leading roles in their classical repertoire as well as pieces from Kylian, Balanchine, Neumeier, Tetley and Cullberg. For Royal Swedish Ballet Marion has also created several choreographies which were performed mainly on tour and in various workshops.