Thomas Hegghammer is Senior Research Fellow at the Norwegian Defence Research Establishment (FFI) and Adjunct Professor of Political Science at the University of Oslo. Trained in Middle East Studies at Oxford University and Sciences-Po in Paris, he has held fellowships at Harvard, Princeton, New York, and Stanford Universities, and at the Institute for Advanced Study in Princeton. His books and edited volumes include Al-Qaida in its own Words (Harvard, 2008), Jihad in Saudi Arabia (Cambridge, 2010), The Meccan Rebellion (Amal, 2011), Saudi Arabia in Transition (Cambridge, 2014), and Jihadi Culture: The Art and Social Practices of Militant Islamists (Cambridge, forthcoming). He also previously served as an ICCT Editorial Board member.