MSc Environmental Science (1986) and PhD (2001) at Wageningen University. Interested in ecology of small waterbodies, with emphasis on macroinvertebrates and macrophytes. Interested in research dealing with multiple stress in complex systems, resilience and safe operating space. Experienced in developing and performing (lab) experiments, handling and analysing large complex datasets (multivariate analyses). Lecturer in various BSc and MSc courses. On 1/10/2015 appointed personal Associate Professor for a period of 5 year.