Claudia Rapp took up her current position as Professor of Byzantine Studies at the University of Vienna in 2011, after 17 years at the University of California, Los Angeles, where for ten years she spearheaded the Multi-Campus Research Group in Late Antiquity. She obtained her BA from the Free University Berlin and her Ph.D. from Oxford University. In Vienna, she is the Director of the Division of Byzantine Research within the Institute for Medieval Research at the Austrian Academy of Sciences, and Scholarly Director of the Sinai Palimpsests Project. Her research focuses on social and cultural history, often from the angle of religious history and manuscript studies. Holy Bishops in Late Antiquity: Christian Leadership in an Age of Transition, published in 2005, was re-issued in paperback in 2013. Her most recent book, Brother-Making in Late Antiquity and Byzantium: Monks, Laymen and Christian Ritual (2016) has led to the formation of the Euchologia Project at the Austrian Academy of Sciences that studies prayer books for the use of priests as sources for daily life and social history. Funding through the Wittgenstein-Award has enabled her to assemble a team of scholars for the joint investigation of Mobility, Microstructures and Personal Agency, a multi-disciplinary exploration of geographical, cultural and social mobility.