Wei-chieh Tsai received his PhD of Central Eurasian Studies from Indiana University in 2017 and is currently Assistant Professor of History at National Chung Cheng University. He is a socio-cultural historian of early modern Central Eurasia focusing on the relations between Inner Asia and China. His research field encompasses the topics of empire, ethnicity, migration, and law. He is also the author of From Marco Polo to George Macartney: Inner Asia and China since the Mongol Epoch (New Taipei: Gūsa Press, 2020) and the co-translator of the Chinese version of China Marches West written by Peter C. Perdue (with Pin-chen Yeh and Wen-kai Lin, New Taipei: Acropolis Press, 2021).