She works in both comparative politics and international relations, specializing in Arab and Islamist politics. Professor Diwan has many publications on the politics and political economy of the Arab Gulf, among them “Sovereign Dilemmas: Sovereign Wealth Funds in Saudi Arabia,” Geopolitics, 14/2 (April 2009); “Bahrain’s Shia Question,” Foreign Affairs (March 2011); and “Kuwait’s Impatient Youth Movement,” Foreign Policy (July 2011). She is currently completing a book manuscript on the emergence of Islamic banking in the Gulf Cooperation Council (GCC) states entitled From Petrodollars to Islamic Dollars: Islamic Finance in the Arab Gulf.