since 2010: Full Professor (W3), Chair for Economic Theory and Computational Economics, Department of Business Administration and Economics, Bielefeld University
2003-2010: Full Professor (C4/W3), Chair for Economic Policy, Department of Business Administration and Economics, Bielefeld University.
1999-2002: Associate Professor, Department of Economics, University of Southern California, Los Angeles.
1996-1999: Assistant Professor, Department of Management Science, University of Vienna.
1995: Doctoral Degree, Mathematical Methods in Economics: Vienna Univ. of Technology.