Prof. Dr. habil. Dirk Löhr, MBA (*1964) is a Professor of Taxation and Ecological Economics at the Trier University of Applied Sciences (Environment-Campus Birkenfeld), Germany. His career has included work as tax adviser, as a lecturer for a private real estate academy (Sprengnetter Immobilienbewertung), as a consultant for the German Technical Cooperation (GTZ) / German International Cooperation (GIZ) in Cambodia, as chairman of the supervisory board of an energy cooperative, as financial manager in an international hotel group and as a chief department manager for the Deutsche Bahn AG. Löhr is actually member of the public real estate assessment board (4th period of office) of the county of Birkenfeld, actually of Rheinhessen-Nahe, and member of the supreme public real estate assessment board of Rhineland-Palatinate, Germany (since 2014). Moreover he is head of the Center for Land Research (former Center of Soil Protection and Land Use Policy, Trier / Birkenfeld), director of Institute for Applied Material Flow Management (Institut für angewandtes Stoffstrommanagement, IfaS), president of the Association of Social Sciences (Sozialwissenschaftliche Gesellschaft 1950 e.V.) and vice president (Germany) of the International Union for Land Value Taxation. His academic work was widely published on (land) taxation, land use issues, rent-seeking economics and environmental economics.