Brendan Peter Simms is an Irish historian and Professor of the History of International Relations in the Department of Politics and International Studies at the University of Cambridge. Simms, a Newton-Sheehy Teaching Fellow, completed his doctoral dissertation, Anglo-Prussian relations, 1804-1806: The Napoleonic Threat, at Cambridge under the supervision of Professor Tim Blanning in 1993. A Fellow of Peterhouse, he lectures and leads seminars on international history since 1945.
Simms's research focuses on the history of European foreign policy. He has written a variety of books and articles on this subject, including Unfinest Hour: Britain and the Destruction of Bosnia (2001) and Three Victories and a Defeat: The Rise and Fall of the First British Empire, 1714-1783 (2007).