He is also the Academic Director of the university's Roma Graduate Preparation Program, and has written widely on topics of His research has focused on the government of asylum-seekers, particularly those in detention in Europe and Australia, and on colonial histories of state making. He is particularly interested in the limits of politics, looking at individuals and groups excluded from political participation and seeing what their exclusion says about the nature of the political. His latest book is called Ruling the Margins: Colonial Power and Administrative Rule in the Past and Present (Routledge 2014).