Mathias Drehmann heads the Financial Systems and Regulation unit in the Monetary and Economic Department at the BIS. Mathias has been with the BIS for nearly two decades, most recently as Head of the Markets Committee Secretariat. Prior to joining the BIS, he held appointments at the Bank of England and the ECB. Mathias is a financial stability expert and has worked extensively on questions related to banking, financial markets, financial cycles and macro-financial interactions more generally. His work provided the basis for the countercyclical capital buffer adopted under Basel III. Mathias's research is cited widely and has been published in academic journals such as the American Economic Review, the Journal of Financial Intermediation and the Journal of Banking and Finance. Mathias received a PhD from the University of Bonn and the London School of Economics, as part of the European Doctoral Program for Quantitative Economics.