Hassan Hassan is associate fellow at Chatham House’s Middle East and North Africa Program, and coauthor of ISIS: Inside the Army of Terror, a New York Times and Washington Post bestseller. He is a columnist and former deputy comment editor for The National newspaper in Abu Dhabi. He focuses on Syria, Iraq, and the Gulf States. He also follows Salafist, jihadist, and Islamist groups in the Middle East and North Africa. His writing has appeared in The Guardian, Foreign Policy, Foreign Affairs, and New York Times, among others. He received an MA in International Relations from the University of Nottingham in the UK.