Gabu Heindl talks about activist practices, radical democracy, spatial policies, and the political dimension of planning. Gabu Heindl  is an architect, urbanist and activist; her Vienna based practice GABU Heindl Architektur focuses on public space, collective housing and urban justice. Gabu Heindl holds a postgraduate masters in Architecture and Urbanism from Princeton University and wrote her PhD on radical democracy in architecture and urban planning at the Academy of Fine Arts in Vienna. From 2018-2021 Gabu Heindl was Visiting Professor at Sheffield University, and since 2019 she co-runs a Diploma Unit at the AA in London. Since 2022 she is Professor and Chair of Building Economy and Project Development at the University Kassel where she is building up the teaching & research platform ARCHITECTURE CITIES ECONOMIES on design and political economy.