Marco Clausen, born in 1974, holds a Master in Historical and Political Sciences and Philosophy. In 2009 Clausen founded together with Robert Shaw the non profit organization “Nomadisch Grün” (Nomadic Green), which aims at transforming abandoned urban spaces into social and ecological gardens. He is the co initiator of Prinzessinnengarten: a place dedicated to urban agriculture, environmental learning, and neighborhood participation at Moritzplatz in BerlinKreuzberg. Clausen organized several thematic workshops and events on feeding the city, youth participation, urban resilience and urban farming in the European context. In 2012 Dumont publishing house released “Prinzessinnengarten. Anders gärtnern in der Stadt” (Prinzessinnengarten. A Different Way of Gardening in the City). The publication includes texts and photographs from Marco Clausen. An important area of Clausen’s engagement is a sustainable and resilient urban development. In the form of lectures, publications and establishing networks he contributes to the question of how our cities will face the challenges of the future.