Katarzyna Metelska-Szaniawska is Associate Professor and Head of the Department of Political Economy at Faculty of Economic Sciences, University of Warsaw, as well as the Director of the Centre for Economic Analyses of Public Sector (CEAPS). Her research interests focus on economic analyses of constitutions and link law and economics to political economy, public choice, and institutional economics. She has been the Vice-President of the European Association of Law and Economics, as well as a founding member and President of the Polish Association of Law and Economics. Currently she is a Board Member of the European Public Choice Society and European Society for Empirical Legal Studies, as well as the Co-Chair of the ESELS Empirical Constitutional Studies working group.