Many of Ressler's works have been realized in collaborations: <unk>Boom!<unk> focuses on the central contradictions of globalized capitalism (with David Thorne), <unk>European Corrections Corporation<unk> on the phenomenon of prison privatization (with Martin Krenn), and <unk>What Would It Mean To Win?<unk> on the protests against the 33rd G8 summit
muHeiligendamm (naZanny Begg).