He is a network partner at Urban Catalyst studio , a planning design consultancy group based in Berlin and curated exhibition projects such as 'Grenzgeografien' (Berlin, Zurich, Istanbul, 2007), 'Refuge' (Rotterdam Architecture Biennale, 2009), 'Open City' (Istanbul, 2010), 'Space, Time, Dignity, Rights' (World Urban Forum, 2012) and 'Folly' (Gwangju, 2013).