PhD in human ecology 2003, MSc in ecology in 1999 (University of Vienna, Austria). Project coordinator and researcher at the Potsdam Institute for Climate Impact Research (PIK), Potsdam (Germany), since 2008, and at the Vienna Institute of Social Ecology of Klagenfurt University, since 2000. Lecturer at the University of Vienna, Institute for Biology since 2001. Presented with the IHDP-Dissertation Concept Award 2002 by the Austrian Committee of the International Human Dimensions Programme on Global Environmental Change (IHDP). Member of the Commission on Ecosystem Management (CEM) at IUCN (International Union for Conservation of Nature), and of the Global Footprint Network National Account Committee since 2006. His research is focused on interactions between humans and global environment systems, in particular Land System Science, in the light of sustainable development. He has worked on the interrelation of socio-economic material and energy flows and land use, land use change and land cover change from the national to the global scale. His research interests include drivers of land use, consequences of land use for ecosystem structures and functioning, land use mapping, human appropriation of net primary production; pressure indicators for biodiversity loss; human impacts on the global carbon cycle; and methods of carbon accounting.