TANJA E. AALBERTS Assistant Professor at the University of Leiden, The Netherlands JEAN-CHRISTOPHE GRAZ Professor in International Relations at the University of Lausanne, SwitzerlandELKE KRAHMANN Professor of International Relations at Brunel University, London, UKRAHEL KUNZ Senior Lecturer in International Relations at the University of Lausanne, SwitzerlandVALBONA MUZAKA Lecturer in Global Politics at the University of Southampton, UKANDREAS NOLKE Professor of Political Science at the Johann Wolfgang Goethe-Universität Frankfurt am Main, GermanyKATHELEEN MCNUTT Associate Professor at the Johnson-Shoyama Graduate School of Public Policy, University of Saskatchewan, CanadaSUSAN PARK Senior Lecturer at the Department of Government and International Relations, University of Sydney, AustraliaJEREMY RAYNER Professor and Centennial Research Chair at the Johnson-Shoyama Graduate School of Public Policy, University of Saskatchewan, CanadaJAKOB VESTERGAARD Research Fellow at the Danish Institute of International Affairs (DIIS), Denmark

• Preface The Ambivalent 'Diffusion of Power' in Global Governance; S.Guzzini Private Military and Security Companies, Territoriality and the Transformation of Western Security Governance; E.Krahmann Intellectual Property Governance: The Emergence of a New and Contested Global Regime; V.Muzaka Nodal Governance: the diffusion of power in global forest governance networks; K.McNutt  & J.Rayner The Limits of Transnational Private Governance; J-C.Graz  & A.Nölke Bankers' Governing the Environment? Private Authority, Power Diffusion and the United Nations Environment Program Finance Initiative; S.Park   Disciplining the International Political Economy through Finance; J.Vestergaard   The International Discovery of Diasporas; R.Kunz The Diffusion of Power as Patterns of Global Governmentality and Sovereignty; T.E.Aalberts  Conclusion: The Diffusion of Authority as a Sign of an Emerging Global Polity; I.B.Neumann