Stefan Gruber, an Associate Professor at Carnegie Mellon University, specializes in urban commons and participatory design. He dives into the intricate battle between capitalism and communal spaces, showcasing cities as incubators for self-determined communities. The influence of grassroots movements on urban policy and projects like the High Line is examined, alongside the historical significance of Red Vienna's housing model. Gruber also discusses redefining ownership in collaborative initiatives and the need for sustainable practices that prioritize communities over markets.