2006-2007 Visiting Scholar, Centre of International Studies, University of Cambridge, UK.
September 2014-May 2015 Visiting Academic at Centre of Migration, Policy and Society, University of Oxford. Senior Common Room Fellow, St. Anyone's College, University of Oxford, UK.
May 2015-September 2015 Visiting Scholar, Johns Hopkins University, USA.
(Subject of research)
Institutionalization and Global Governance on Migration
Immigration Control and Diplomacy