Dr Darinka Czischke is Associate Professor at the Faculty of Architecture and the Built Environment, Delft University of Technology. She is an internationally renowned expert in the fields of housing and social sustainability. Her recent work focuses on collective self-organisation and sharing practices in housing and cities. She is the founder of the Co-Lab Research group at the TU Delft and co-founder of the working group ‘Collaborative Housing’ at the European Network for Housing Research (ENHR). Previously, she worked as Director of World Habitat (formerly Building and Social Housing Foundation, BSHF); Research Director of the European Social Housing Observatory at CECODHAS Housing Europe; and as Research Associate at the LSE Cities Programme, London School of Economics and Political Science. She is the leader of Project Together!, a cross-sector initiative focused on realizing the potential of collaborative housing forms in the Netherlands.