is a professor of the History of Central and Eastern Europe and “nation-building” at Vienna University, where he was the head of the Institute for the History of Central and Eastern Europe. His main body of work has focused on the comparative social and cultural history of the nineteenth and twentieth centuries in Germany and Central and Eastern Europe, particularly studies on nationalism, history of migration, cities and the history of musical theater. He has focused his scholarly research on a comparative analysis of the history of transformation in Central and Eastern Europe since the 1980s. He has won several accolades for his work, and was awarded the Wittgenstein Prize in 2019. He also worked as a Global Distinguished Professor at the Center for European and Mediterranean Studies, New York University (NYU) and as visiting fellow at Remarque Institute, NYU. He was previously Professor of Comparative European History at the European University Institute in Florence.