Dr. Zirener is a Managing Director at OEP. Prior to joining OEP he was a Senior Project Manager in the Restructuring / Corporate Finance division of Roland Berger Strategy Consultants, where he was responsible for corporate restructuring projects across different industries in Europe. Dr. Zirener also started his own business focusing on the 2006 FIFA World Cup in Germany. He currently serves on the boards of Constantia Flexibles, Duropack, and Smartrac. Dr. Zirener studied Business Administration at the European Business School in Oestrich Winkel, the Universidad Argentina de la Empresa in Buenos Aires and the Ecole Supérieure de Commerce de La Rochelle. He wrote his doctoral thesis on Bankruptcy (Chapter 11) restructurings and received his Ph.D. from the Europa Universität Viadrina.