YANG Qiao 楊巧 works on institutions of knowledge, with a special focus on China and the Islamic world in the Mongol era (13th–14th centuries). Her doctoral project, Heavenly Knowledge, World Empire: Practices, Institutions and Exchange of Astral Sciences in Mongol Eurasia, examined the interplay between the Mongol Empire and astral sciences. She has published on biographies and networks of astral science experts in Mongol Eurasia. At the MPIWG, Qiao is the leader of the “Ability and Authority” working group, where she develops a project on the local state divination schools in Yuan (1271–1368) China. Qiao’s research interests include history of astronomy/astrology, history of divination, social and cultural history of the Mongol Empire, and cross-cultural contact between premodern China and the Islamic world.