Tom Sorell is Professor of Politics and Philosophy and Head of the Interdisciplinary Ethics Research Group in the Department of Politics and International Studies at Warwick University. He is an RCUK Global Uncertainties Leadership Fellow (2013-16), and previously he was John Ferguson Professor of Global Ethics and Director of the Centre for the Study of Global Ethics, University of Birmingham. He directs the major UK Arts and Humanities Research Council project, FinCris, and he led the AHRC-funded Research Network in Microfinance. He has published widely in moral and political philosophy. His most recent monograph is Emergencies and Politics: A Sober Hobbesian Approach (Cambridge, 2013). Luis Cabrera is Associate Professor in the School of Government and International Relations at Griffith University in Brisbane, Australia. He has published widely on global poverty, individual rights and justice across national boundaries, besides serving as a co-principal investigator on British Council and other grants to develop global justice networks and initiatives internationally. His most recent monograph is The Practice of Global Citizenship (Cambridge, 2010).