Mariusz Kaczka completed his Ph.D. at the EUI Department of History and Civilization in 2019. His thesis focused on the microhistory of Ottoman-Polish encounters in the eighteenth century. Before coming to the EUI, he studied history and languages in Kraków, Jena, Gießen, and Berlin. In 2009, he graduated with distinction in history from the Jagiellonian University in Kraków with a thesis on the Ottoman-Polish borderland. During his studies, he worked at the Jagiellonian University Museum (Collegium Maius) where he studied early modern objects and their stories. After graduation, he attended a European internship program at the Centre for Historical Research of the Polish Academy of Sciences in Berlin (CBH PAN). From 2009 until 2012, he was a Researcher and Teaching Assistant at the Justus Liebig University in Gießen, Germany. In 2015, he graduated with an MRes from the European University Institute. He has held various visiting and teaching fellowships, among others, at the École des hautes études en sciences sociales, Sciences Po, Research Center for Anatolian Civilizations (ANAMED), and at the Max Planck Institute for the European Legal History. Between 2021 and 2024 Mariusz worked for the dynamic Revolut company gaining business experience in a fast-paced, start-up-minded working environment. He has taught at the University of Gießen, at Sciences Po, and has obtained the EUI Teaching in Higher Education Certificate. Mariusz is an Assistant Professor of Early Modern History at the Institute of History of the Jagiellonian University in Kraków.