SN Jaffe is Associate Professor (Research) of the History of Political Thought at LUISS Guido Carli University in Rome, Italy. He received his PhD from the University of Toronto, his MSc from the London School of Economics and Political Science, and his BA from Bowdoin College. He has worked at Harvard University's Kennedy School of Government, been a research fellow at the Freie Universität Berlin, and has taught Political Theory, International Relations, and American Foreign Policy at the University of Toronto, Bowdoin College, and John Cabot University, where he was the Chair of the Department of Political Science and International Affairs. He has wide-ranging research interests in Greek and Roman republicanism, in the history of international political thought, and in how classical frameworks can enrich contemporary debates about foreign policy and war. Jaffe's first book, Thucydides on the Outbreak of War: Character and Contest , was published by Oxford University Press in 2017. He is currently writing a monograph for Brill on Polybius, the Greek historian of Rome.