Aßmann, who studied architecture and art history in Bochum. In 1999, Aßmann directed the art and culture department of the International Architecture Exhibition Emscher Park. From 2002 to 2007 she worked as freelance curator for several exhibition projects (e.g. “The Wall” from Christo and Jeanne-Claude, “ENTRY2006” in cooperation with MoMA, Cooper-Hewitt Museum et al.). In 2007, Aßmann was assigned to manage the divisions Architecture, Urban Planning, and Visual Arts of the European Capital of Culture Ruhr.2010.