A Ukrainian historian and essayist, professor at the European University Viadrina in Frankfurt-on-Oder. Director of the Viadrina Center for Polish and Ukrainian Studies. His publications concern intellectual history, historiography, genocide, and memory studies in Central and Eastern Europe. The founder of the Berlin-Brandenburg-Ukraine Initiative (2015), which later developed into the PRISMA UKRAЇNA Research Network at the Transregionale Studien Forum in Berlin. A recipient of the DIALOG Prize of the German-Polish Society for his “commitment to promoting knowledge about Ukraine and its historical interconnections in Europe” (2022). He has conducted research and taught at universities in Basel, Cambridge, Geneva, Berlin, Paris, and Vienna.