Dean C. Alexander, J.D., LL.M., is Director, Homeland Security Research Program and Professor at the School of Law Enforcement and Justice Administration at Western Illinois University. Since publishing on terrorism in 1991, Professor Alexander has published several books on the topic, including: The Islamic State: Combating the Caliphate Without Borders (Lexington, 2015), Business Confronts Terrorism: Risks and Responses (University of Wisconsin, 2004), and Terrorism and Business: The Impact of September 11, 2001 (Transnational, 2002). He has trained law enforcement and military personnel in the United States and abroad on terrorism and counterterrorism issues at NATO’s Center of Excellence Defense Against Terrorism (Turkey), Illinois Statewide Terrorism and Intelligence Center, Oregon Fusion Center, and Milwaukee Police Department, among many other institutions. His insights on terrorism have been featured in domestic and international media, among them: the Washington Post, Voice of America, Tribune de Genève, and NHK.