Senior Fellow, Center for Financial Studies, Goethe University, Frankfurt; Visiting Professor, Department of Economics, Harvard University, Cambridge
Chief Economist, Deutsche Girozentrale, Frankfurt
Lectured at a number of German and international universities on questions of applied macroeconomics and international financial markets
President of the Landeszentralbank, Freie Hansestadt Bremen, Niedersachsen und Sachsen-Anhalt and Member of Deutsche Bundesbank's Central Bank Council, 1999-2002
teaches Finance and Monetary Economics at Freiburg University
referee for "Kredit and Kapital", "Journal of European Integration", "Schmollers Jahrbuch - Journal for Applied Social Sciences Studies", "National Endowment for the Humanities"