A native of eastern Syria, Hassan received a master’s degree in international relations from the University of Nottingham. He is the co-author of ISIS: Inside the Army of Terror (with Michael Weiss). The critically acclaimed 2015 book was a New York Times bestseller, and was selected as one of the Times of London’s best books of 2015 and as one of the Wall Street Journal’s top 10 books on terrorism. The book was translated into more than a dozen foreign languages.
Hassan is also a senior non-resident fellow at the Tahrir Institute for Middle East Policy in Washington DC. He was previously an associate fellow at Chatham House’s Middle East and North Africa Program in London and a research associate at the Delma Institute in the United Arab Emirates. From 2008 to 2014, he worked on the news and commentary sections at The National, an English-language daily newspaper in the UAE.
Hassan has written extensively on Sunni and Shia movements, society, and politics in the Middle East for the Guardian, Foreign Policy, Foreign Affairs, the New York Times, Financial Times, the Daily Beast, The National and other publications. He advises senior policymakers in the United States, Europe, and the Middle East, testified before Congress on extremism, and appeared on television and radio programs on CNN, BBC, Fox News, MSNBC, PBS, and France 24, among others. He frequently conducts training courses for military personnel and diplomats specializing or operating in the Middle East, on subjects such as tribes and Salafi-jihadism.