Simon Unger leads the third International Research Group of the Max-Weber-Foundation (The Global Pontificate of Pius XII: Catholicism in a Divided World, 1945–1958). He currently works on a book project titled  Shadows of the Occident. Catholicism in the Political Thought of Post-War Europe, 1945–1960.

Simon Unger earned his doctorate at the University of Oxford in 2018, where he was appointed to a lectureship in modern European history at Magdalen College (2016–2018). He then held a visiting fellowship at the German Historical Institute in Washington DC (2018–2019) and subsequently became a researcher at the DHI in Rome. In 2022, Simon Unger became a Junior Fellow of Aspen Institute Italia and a Visiting Professor at Hebrew University in Jerusalem. In 2023, he obtained the German Habilitation at Fribourg University, where he continues to teach.

Main research interests
Fascism and Nazism in Europe; media history; Begriffsgeschichte; history of political thought; religion in the 20th century; history of the Vatican.