Kai P. Purnhagen is Full Professor and Director of the Research Center for German and European Food Law at the University of Bayreuth. He works in EU Law, International Economic Law and the interdisciplinary and comparative analysis of law, with emphasis on innovations in food markets. He studied law at the Justus-Liebig-University Gießen. He continued as LL.M. Fellow at the University of Wisconsin-Madison, before he obtained a PhD at the European University Institute in Florence. He undertook a Post-doc at the University of Amsterdam and at the Ludwig-Maximilians-University Munich, before he was appointed Assistant and Associate Professor in Law at Wageningen University.Justus Wesseler is the chair of the agricultural economics and rural policy group at Wageningen University. He graduated with a degree in agricultural, environmental, and natural resource economics from the University of Göttingen. His research is on bioeconomy economics and policy, including value chains and regulatory economics. He focuses on the contribution of the circular bioeconomy towards sustainable development.