Prof Daniel Karthe currently heads UNU-FLORES’s research programme on the ‘Resource Nexus for Sustainability Transformations” (NEXtra)’. He has over 20 years of research and teaching experience related to hydrology, water quality, and aquatic resources management, including projects in Germany, Central Asia, South Asia, and Sub-Saharan Africa. Prior to joining UNU-FLORES, Daniel served as an Associate Professor of Environmental Engineering and Vice Rector for Research at the German-Mongolian Institute for Resources and Technology, in Nalaikh, Mongolia and a research fellow at the Helmholtz Centre for Environmental Research in Magdeburg, Germany. His research interests include the Resource Nexus with a particular focus on science-based management concepts for environmental resources, including water, soil, and air. Daniel currently works on the sustainability of transformation processes in (post-)coal mining regions. He co-chairs the Commission for Hydrology in the German Geographical Society and serves as Vice Chair of the Commission for Water Sustainability in the International Geographical Union.