| 1996-1997 | Lecturer, Department of Economics, Vienna University of Economics and Business, Vienna |
| 1997 | Teaching Assistant, Department of Economics, Rensselaer Polytechnic Institute, Troy, NY |
| 2001-2001 | Research Assistant, Department of Economics, Rensselaer Polytechnic Institute, Troy, NY |
| 2001 | Visiting Scholar, Department of Land Economy, University of Cambridge |
| 2001-2005 | Consultant, Austrian Federal Ministry of Environmental Affairs, Vienna |
| 2004 | Lecturer, School of Earth and Environment, University of Leeds |
| 2007-2009 | Visiting Researcher, Macaulay Institute, Aberdeen |
| 2005-2009 | Visiting Professor, Department of Anthropology, University of Vienna |
| since 2011 | Senior Fellow, SPRU - Science and Technology Policy Research, University of Sussex |
| since 2008 | Advisor, Austrian Institute of Economic Research, Vienna |
| since 2014 | Full Professor, Environmental Economics and Policy, Vienna University of Economics and Business, Vienna |
| Reporter, FWF - Austrian Science Fund, Vienna |
| Deputy Department Chair, Socioeconomics Department, Vienna University of Economics and Business, Vienna |
| 2015-2019 | Head, Institute for Ecological Economics, Vienna University of Economics and Business, Vienna |
| since 2019 | Deputy Head, Research Institute Economics of Inequality; Head, Competence Center for Sustainability Transformation and Responsibility, Vienna University of Economics and Business, Vienna |
