Deringil earned his doctorate from the University of East Anglia in 1979, and joined Boğaziçi University the same year. He is a notable lecturer on Late Ottoman History, Ottoman Islam and relationships between Ottomans and Europe. He has lectured in the United States, England, France, Lebanon and Israel. He has written several essays on the fall of the Ottoman Empire and the history of the Republic of Turkey. His book "The Well-Protected Domains: Ideology and the Legitimation of Power in the Ottoman Empire 1876-1909" was awarded the "Turkish Studies Association Fuad Köprülü" prize in 2001.
- The Ottomans, the Turks, and world power politics : collected essays, ISBN 975-428-179-3
- Turkish foreign policy during the Second World War : an "active" neutrality, ISBN 0-521-34466-2
- The well-protected domains : ideology and the legitimation of power in the Ottoman Empire, 1876–1909, ISBN 1-86064-307-8
- De Bellaigue, Christopher (2001). "Turkey's Hidden Past". The New York Review of Books. 48 (4). (Review of "The Well-Protected Domains: Ideology and the Legitimation of Power in the Ottoman Empire, 1876–1909")