Claudia Pahl-Wostl, is Full professor of resource management at the Institute of Environmental Systems Research, University of Osnabrueck is an internationally leading expert on adaptive water management, water governance and participatory integrated assessment. Her research focuses on developing innovative concepts of managing transformation processes towards sustainability with an emphasis on an improved understanding of dynamics and management of actor networks and the implications of complexity and uncertainty. She is the coordinator of the EU project NEWATER (New methods for adaptive water management). Pavel Kabat, is Full Professor and Chair Holder of the Earth System Science and Climate Change Group at Wageningen UR; Co-Chair of the International Scientific Steering Committee of IGBP/ILEAPS; Programme and Science Director of the International Cooperative Programme on Water and Climate (UNESCO/WMO/WWC); Science Director of the Dutch National Research Programme on Climate change and Spatial Planning. His scientific focus is on land - atmosphere interactions, climate hydrology and the water cycle, climate system and climate change. Jorn Moltgen, is a Geographer at the Institute of Environmental Systems Research, University of Osnabrueck. His scientific focus is on usability engineering and knowledge processing for decision support systems in water management. He coordinated several national projects in transportation planning and water management and is manager of the integrated EU project NEWATER.