Marcin Kolasa is a Senior Financial Sector Expert at the International Monetary Fund and a Professor at SGH Warsaw School of Economics. Previously he was holding the position of the Head of Research and Economic Advisor at Narodowy Bank Polski, worked as an Expert at the European Central Bank, and was Visiting Scholar at Columbia University (New York). His research interests are Macroeconomics, Monetary Economics, International Economics, and Financial Intermediation. He consistently ranks among the top Polish economists according to RePEc.Â