Wout van der Toorn Vrijthoff (1948) works at DEMO as an associate consultant, especially for the research projects. He studied in the field of Civil Engineering (HTS) and Urban Planning & Housing (TU Delft). Wout has worked as a concrete constructor, consultant /researcher in the private sector and associate professor at TU Delft. Wout works as a supervisor at housing corporation Vestia and works on European research projects at TU Delft. Issues that appeal to and motivate Wout lie in the field of: real estate financing, urban water management, quality and management of public space, cultural heritage, urban restructuring, real estate management, public-private cooperation. Wout, like DEMO, combines creative future-oriented thinking at a high level of abstraction in interaction with attention to practical implementation.