Head of the Regional Policy, Urban Development and Mobility Division at the Central Association of German Crafts, 2005–2006: Research Fellow at the Institute for Regional Development and Structural Planning, 2000–2005: Research Fellow at the Technical University of Berlin and Humboldt University of Berlin (History, Urban and Regional Planning, Urban Sociology), 1996–2003: Worked in planning consultancies; studied urban and regional planning and modern history; Dipl.-Ing.; M.A.; Dr. phil.;