Mark van Twist is Professor of Public Administration at Erasmus University Rotterdam (EUR). He is also Dean and Member of the Board of the Netherlands School of Public Administration (NSOB), an inter-university institute in The Hague. He is also an Extraordinary Member of the Board of the Netherlands Court of Audit. Van Twist studied Business Administration and Public Administration at EUR and Leiden University and obtained his PhD at EUR. After that he began working for the School of Systems Engineering, Policy Analysis and Management at the Delft University of Technology, first as associate professor and later as executive director of an inter-faculty research institute. Thereafter, he was asked by one of the leading consultancy firms in the Netherlands to become managing director and build up a new group specialising in the management of complex projects. Later, he accepted a chair on public-private partnership in the Faculty of Management Sciences at Radboud University Nijmegen.