Diplom.volkswirt, University Manheim, Germany, 1991. Doctor of Philosophy, University Koln, Germany, 1994.
Fuest is on the editorial board of the academic journal ORDO. From March 2013 Fuest will become President of Zentrum für Europäische Wirtschaftsforschung in Mannheim and professor at the University of Mannheim.
He was a member of the Counsel of Economic Advisors at the German Federal Ministry of Finance.
Married Ana-Maria Saldarriaga, August 6, 1994. 1 child, Johannes.