Dietmar Wiegand studied architecture and urban development, as also sociology at the TU Darmstadt. He worked as an assistant at TUD and founded together with fellow researchers the research Center for Communication and Planning (CRCP GmbH), which he headed from 2000 to 20008 as manager director. He developed researches and teached in the field of facility management at the Zurich University of Applied Sciences, later moved to the Institute for Construction Engineering and Management at ETH Zurich, and also was a teacher and researcher at the Vienna University of Technology in the field of project development and management. Since 2008 Wiegand is the director of the company for real estate development in Zurich. His research and its practical activities are mainly based on project development, the intensification of the use of property as a contribution to environmental and climate protection and the conservation of architectural heritage.