Volker Ziemann is an economist with the OECD's Economics Department. Since 2011 he has held several positions at the OECD, including at the Austria/Turkey country desk and the Public Economics Division. Before his time at the OECD, Mr Ziemann served as an economist with the French Treasury and a research engineer with Edhec Business School. He published several academic articles in internationally renowned scientific journals and taught classes in financial econometrics. A German and French national, Mr Ziemann holds Master's degrees in Economics from Humboldt University (Berlin, Germany) and ENSAE (Paris, France) and a PhD in Finance from University Aix-Marseille (France).