Bruce Hoffman is a professor at Georgetown University's Walsh School of Foreign Service and director of the Center for Security Studies and the Security Studies Program. He is also a senior fellow at the U.S. Military Academy's Combating Terrorism Center and a visiting professor of terrorism studies at St. Andrews University. Hoffman is the editor of the Columbia University Press series Columbia Studies in Terrorism and Irregular Warfare, coeditor of The Evolution of the Global Terrorist Threat: From 9/11 to Osama bin Laden's Death (Columbia, 2014), and author of Anonymous Soldiers: The Struggle for Israel, 1917–1947 (2015).