Arwin van Buuren (1980) is assistant professor at the Department of Public Administration of the Erasmus University Rotterdam. His research concerns complex decision-making and knowledge management in the field of water management, spatial development, and infrastructure. He published in international journals like Public Management Review, International Review of Administrative Sciences, Evaluation Review, Science and Public Policy. He is a member of the Scientific Council of the Dutch Advisory council for research on spatial planning, nature and the environment.

Dr. Lasse M. Gerrits M.Sc, was a researcher at TNO Built Environment and Geosciences and a Ph.D. student at the Department of Public Administration (Erasmus University Rotterdam) between 2003 and 2008. He received the degree of Doctor in 2008 for his research on complexity theory and decision making. He now works as an Assistant Professor in Public Administration and works in the field of decision making and spatial development.

Dr. ing. Geert R. Teisman is professor in Public Management at the Erasmus University Rotterdam. He received degrees in transport and sociology. His PhD thesis on complex decision making was first published in 1992, followed by a second and third edition in 1995 and 1998. On a regular basis he advises governments and private organizations on the management of complex decision-making, strategic planning, public-private partnerships, process management, intergovernmental co-operation in metropolitan areas and policy evaluation.