David Lyon is director of the Surveillance Studies Centre, Queen’s Research Chair in Surveillance Studies, and professor in the Department of Sociology and the Faculty of Law at Queen’s University. Since 2008, he has led The New Transparency: Surveillance and Social Sorting research team that produced the present volume. Some of his recent books are Liquid Surveillance (cowritten with Zygmunt Bauman; Polity Press, 2013), The Routledge Handbook of Surveillance Studies (coedited with Kirstie Ball and Kevin Haggerty; Routledge, 2012), Identifying Citizens: ID Cards as Surveillance (Polity Press, 2009), and Surveillance Studies: An Overview (Polity Press, 2007). He is a cofounder of the journal Surveillance and Society and the Surveillance Studies Network.