Roberto Perrelli is a Senior Economist in the IMF’s Fiscal Policy and Surveillance Division, Fiscal Affairs Department, where he also works on the IMF Fiscal Monitor. Previously, Roberto was a member of the teams following Brazil, Greece, Ireland, and South Africa, among others, and led the machine-learning vulnerability exercise for external crisis. During his tenure, Roberto has built expertise in a wide range of policy issues, including sovereign debt restructuring, fiscal consolidation, and balance of payments crisis. Roberto holds an M.Sc. in Statistics and a Ph.D. in Economics from the University of Illinois at Urbana-Champaign, USA.