Gillian Brock is Professor of Philosophy at the University of Auckland in New Zealand. Her recent and current research focuses on global justice and related fields. Her most recent works with Oxford University Press include Global Justice: A Cosmopolitan Account (2009) and Cosmopolitanism versus Non-Cosmopolitanism (2013).Michael Blake is Professor of Philosophy and Public Affairs at the University of Washington. He writes about international distributive justice and the ethics of immigration. He is the author of Justice and Foreign Policy (OUP, 2013).