Felix Berenskötter is Senior Lecturer (Associate Professor) in International Relations at SOAS, University of London. He specializes in international theory; concepts of friendship, identity, power, security, peace, space and time; European security and transatlantic relations. Following his undergraduate studies in Hamburg, Felix received a Masters Degree from Rutgers University, where he was a Fulbright Scholar, and a PhD from the London School of Economics and Political Science (LSE). Before joining SOAS in 2009, he was a Research Associate at the Department of War Studies, King’s College London, and a Research Fellow at the John Sloan Dickey Center for International Understanding, Dartmouth College. Felix is currently Associate Editor of the ‘Journal of Global Security Studies’ (Oxford University Press) and co-convenor of the ‘Interpretivism in International Relations’ Working Group of the British International Studies Association (BISA). He authored a number of articles and is co-editor of “Power in World Politics” (Routledge, 2007) and “Concepts in World Politics” (Sage, 2016). From September 2017 he holds a Leverhulme Research Fellowship to write a book on friendship and estrangement in transatlantic relations.