Prof Norbert Pfeifer obtained his PhD in terrain modelling from TU Wien in Austria, then moved to TU Delft in The Netherlands in 2003 to working as an assistant professor in laser scanning. In 2006 he became senior researcher at the University of Innsbruck, Austria, in the Department of Geography and became a full professor in photogrammetry at TU Wien in 2009. His research interests include photogrammetry and laser scanning, from the measurement process, orientation and calibration to 3D modelling and applications in the environmental sciences.