Leon Hermans is associate professor of environmental planning and management and head of the Land and Water Management Department at IHE Delft. He is also working as associate professor of policy analysis at TU Delft, Faculty of Technology, Policy and Management. His academic research and teaching interests are monitoring and evaluation to support adaptive delta management and the use of actor and strategy models to support water governance. Leon is (co-) leading projects on impact evaluation, tools for strategic delta planning, water-related transformations to sustainability and adaptive management for nature based solutions.