Grzegorz Pac is Associate Professor at the Faculty of History of the University of Warsaw.
Pac completed his PhD (2011) and habilitation (2020) in history at the University of Warsaw. Socrates-Erasmus student at Queen’s University in Belfast (2006) and visiting scholar at the Christian-Albrechts-Universität in Kiel (2008-2009). In 2011-2012 he was a research fellow at the University of Notre Dame (2011-2012), from 2012 to 2015 he was employed as postdoctoral researcher at the Adam Mickiewicz University in Poznań (2012-2015).
His research interests include the cult of saints, hagiography, social role of women, queenship, as well as the ideology of power in the Early and High Middle Ages.
He is the author of, among others, Women in the Piast Dynasty. A Comparative Study of Piast Wives and Daughters (c. 965–c.1144) (Brill 2022), and co-editor of The Cult of Saints and Legitimization of Elite Power in East Central and Northern Europe up to 1300 (Brepols 2024) and Legitimation of the Elites in High Medieval Poland and Norway: Comparative Studies (Brepols 2025). The full list of the publications is to be found: https://orcid.org/0000-0001-8371-9560
Member of the editorial board of Kwartalnik Historyczny and Journal of Medieval History, editor of the Brepols series Comparative Perspectives on Medieval History. From 2020 to 2024 PI in the Polish-Norwegian research project Symbolic resources and political structures in the periphery. Legitimization of elites in Poland and Norway, c. 1000-1300.
Pac coordinates the work of the whole the RECOGNISING-SAINTS team. Within the project he focuses on the papal canonisations as well as recognition of saints in East Central Europe in the High Middle Ages.