Volker Coors has been Professor of Computer Science in the Department of Surveying, Computer Science and Mathematics at the Stuttgart University of Applied Sciences since September 2002. He is scientific director of the institute of applied research at HFT Stuttgart as well as Director of the Steinbeis Center for Technology Transfer at HFT Stuttgart and spokesman of joint PhD program Windy Cities. His research focuses on 3D geodata infrastructures and Geo-Visualization. Prof. Coors is a voting member of the CityGML Standard Working (SWG) and chair of the 3D Portrayal SWG of the Open Geospatial Consortium (OGC). He has published several journal papers and books on 3D City models and Urban Data Management both as author and editor. He was involved in several national and European research projects on 3D urban modelling, location based computing and augmented reality.