Her research intersects political theory and international relations, focusing on critical and normative studies of humanitarianism and intervention in world politics; justice, reconciliation, and colonialism; and cosmopolitanism, global justice, and the world state. She is the author of Justice and Reconciliation in World Politics (2017), and Just and Unjust Interventions in World Politics: Public and Private (2006), and has held research fellowships from the School of Philosophy at the Australian National University, the Alexander von Humboldt Foundation, and the Edmond J. Safra Center for Ethics at Harvard University, Massachusetts.