Dr Hisham A. (HA) Hellyer, a scholar of Arab world affairs, geopolitics, and religion, is senior associate fellow at the Royal United Services Institute for Defence and Security Studies (UK) and the Center for American Progress (USA). Prof Hellyer was appointed adjunct Professor at the Universiti Teknologi Malaysia, and Professor of Islamic Thought at Bayan College, where he teaches in coordination with the Chicago Theological Seminary. Elected fellow of the Royal Historical Society and Royal Society of Arts, Dr Hellyer has held posts at Harvard University, Brookings, Carnegie, Warwick, and the American University in Cairo. Previously, he was fellow at Cambridge University’s Centre of Islamic Studies, Azzawia Institute’s first senior scholar, and Cambridge Muslim College’s first professorial fellow. A prolific media commentator on international media outlets, his 9 books include Muslims of Europe: the ‘Other’ Europeans, A Revolution Undone: Egypt’s Road Beyond Revolt, and A Sublime Path: the Sufi Way of the Makkan Sages.