Jérôme Drevon is a PhD Candidate at Durham University and a Junior Research Fellow of the Swiss National Science Foundation (SNSF). He studies the evolution of the Egyptian militant groups al-jama’a al-islamiya (the Islamic Group) and jama’a al-jihad (the Jihad Group). He has interviewed many of their leaders and senior members in Egypt, as well as dozens of militants and sympathisers. He has published a forthcoming article in Digest of Middle East Studies and submitted two additional articles on the emergence of ex-jihadi political parties in Egypt and on salafi jihadi socialisation among salafi youths in Egypt. In addition to this he has written for Carnegie Endowment for International Peace and presented his research at several international conferences in Europe and North America.