AKM Ahsan Ullah is Associate Professor of population studies/migration and demographics at the Universiti Brunei Darussalam. Dr Ullah has extensively contributed to national and international refereed journals. He contributed chapters to a number of books and published a number of books on migration, refugee and development studies. He taught and researched in Asia, Europe, Africa, Middle East and North America. Ahmed Shafiqul Huque is Chair and Professor in the Department of Political Science at Mcmaster University, Canada. Professor Huque's research interests are in public administration and management, public policy, development and governance in developing countries. He has published twelve books and numerous research articles in leading international journals.