Ralf Ludwig is Professor in Applied Physical Geography and Environmental Modeling at LMU’s Department of Geography and Dean of the Faculty of Geosciences. He co-ordinated the FP7-project CLIMB and managed the CLIWASEC cluster of FP7-projects. He is a member of the European Climate Research Alliance (ECRA) and co-founder of the climate-energy-ecosystem research framework ABBY-Net. His research is focused on process-based and spatially distributed hydrological modeling at the catchment scale, data assimilation and model integration for water resources, land use and climate change impact assessment.