... was born in German and studied at the Rotterdamse Dansacademie and the Dansacademie Tilburg (The Netherlands). She has danced and performed with Frédéric Flamand, Jérôme Bel, Forced Entertainment and Vivienne Newport. Her own choreographic works include 'Hier bin ich Mensch' (performed on the rooftop of a multi-story car park),'Kalte Platte' (cold meat),'Utopien' (Folie deux, a craziness) and most recently in collaboration with Noele van Kelst, 'Ein Versuch dem Publikum etwas zu zeigen' (An attempt to show something to the audience). In 2003 Sonja established and became the artistic director of the 'Fragmenta' foundation, which supports and produces modern dance projects.