Mark Sedgwick is Professor of Arab and Islamic Studies at Aarhus University, Denmark. He received his Ph.D. in history at the University of Bergen, Norway, where he worked on the history of Sufism in the pre-modern and early modern periods, and taught for almost twenty years at the American University in Cairo, Egypt. His research focuses on Islam in the Muslim world and the West, with an emphasis on the period after 1800 and on Sufism. He also works on terrorism, Islam in Europe, and other topics. His most recent book is Western Sufism: From the Abbasids to the New Age (Oxford 2017), and his most recent edited volume is Global Sufism: Boundaries, Structures, and Politics (Hurst 2019, edited with Francesco Piraino). His other books include Islam & Muslims: A Guide to Diverse Experience in a Modern World (Nicholas Brealey 2006), Against the Modern World: Traditionalism and the Secret Intellectual History of the Twentieth Century (Oxford, 2004) and Sufism: The Essentials (American University in Cairo Press, 2000).