Jos von Asmuth is an ecohydrologist, researcher and expert in monitoring and analysing hydrological data and time series. He did his PhD at Delft University of Technology in close collaboration with KWR. This research focused on system identification and the application of physical-hydrological knowledge in time series analyses. During his research, Jos developed a new method for time series analysis, the so-called PIRFICT method. He put together this method and other methods for analysing (ground)water level fluctuations in the user-friendly programme Menyanthes. This programme is now used in 5 continents, in 8 countries, by 95 different organisations. Jos is also a member of the OBN expert team Nat Zandlandschap [Wet Sand Landscape]. In recent years, he focused on the hydrological functioning of peatlands, meres and other wetlands. Parallel to that focus, he works on the quality assurance of hydrological measuring tools and measurement data, evident from various relevant (scientific) publications. He studied biology at Wageningen University and Research Centre (Cum Laude), in vegetation studies, landscape ecology and geographical information systems. For his PhD, Jos worked at Geo Informatie advisory service and the Department/Ministry of Waterways and Public Works’ IT department and Dienst Landelijk Gebied (DLG, or Government Service for Sustainable Rural Development), where he gained experience in ecological monitoring and GIS systems.