Since 2014 Lecturer, Questrom School of Business, United States of America
2013 - 2014 Visiting Professor, Department of Economics, Boston University, United States of America
2011 - 2015 Research Investigator, School of Information University of Michigan, United States of America
2011 - 2013 Visiting professor, Georg-August-Universität Göttingen, Germany
2011 - 2014 Visiting Professor & Senior Research Economist, SKEMA Business School, France
2010 Visiting Scholar, Zentrum für Europäische Wirtschaftsforschung, Germany
2010 Visiting Scholar, Questrom School of Business, United States of America
2009 - 2010 Adjunct Associate Professor, School of Information University of Michigan, United States of America
2008 Visiting Scholar, Ludwig-Maximilians-Universität München, Germany
2007 - 2008 Lecturer, University of Michigan's Ross School of Business, United States of America
2007 - 2009 Visiting Assistant Professor, School of Information University of Michigan, United States of America
2006 Visiting Scholar, Department of Economics, Ruhr-Universität Bochum, Germany
1993 Adjunct Professor, Departments of Economics, American University, United States of America
1987 - 1998 Teaching Assistant, MIT Sloan School of Management, United States of America