Roger Penn is Professor of Sociology, Queen's University, Belfast. Currently, he is visiting Research Professor at the International Center of Research in International Management (ICRIM), Universita Cattolica del Sacro Cuore, Milan. Previously he was a Professor of Economic Sociology & Statistics at Lancaster University and a Visiting Professor at the University of Bologna, the University of California, Los Angeles (UCLA) and the University of California, Berkeley. He is the author of 14 books, including Children of International Migrants in Europe (Palgrave Macmillan) 2009), Social Statistics: 4 Volume Edited Series (Sage, 2010 and The Statistical Analysis of Continuous Data: 4 Volume Edited Series (Sage, 2013), and the author of 150 refereed journal articles in economic sociology, quantitative methods, and the sociology of football.