Dr Alexander Wandl is an Urbanist and Senior Researcher at the Chair of Environmental Technology and Design, at the Faculty of Architecture and the Built Environment, Delft University of Technology. His research focuses on developing sustainable urbanization, using an extended territorial metabolism approach and integrating (GIS-supported) methods and tools from different disciplines. As scientific coordinator of the Horizon 2020 financed research project REPAiR—Resource Management in peri-urban areas—he is at the forefront of developing spatial strategies, which support the transition towards more circularity. He specifically focuses on the challenges related to the sustainable development of dispersed urban areas and peri-urbanization processes in Europe.