Jerome Drevon is Senior Analyst on Jihad and Modern Conflict at International Crisis Group (ICG) and Research Associate at the Graduate Institute of International and Development Studies (IHEID). Drevon received his PhD from Durham University before securing two fellowships at the University of Oxford and the University of Manchester. Drevon has conducted extensive field research in conflict zones, including Syria. He has interviewed hundreds of Jihadi militants and foreign fighters--from their military, political, and religious leaders to their foot soldiers--to gain a deeper understanding of their changing political views in armed conflicts.