Or Rosenboim is a historian of political thought whose work focuses on international thought in the twentieth century. She has published on the idea of globalism and on various theories of world order in British and American political thought; her first book, The emergence of globalism: Visions of world order in Britain and the United States, 1939-1950, was published by Princeton University Press in 2017. She is also interested in geopolitics, Italian international thought and imperial history.