Jan Blommaert is Professor of Language, Culture and Globalization at Tilburg University (The Netherlands) and is also affiliated to Ghent University (Belgium) and the University of the Western Cape (South Africa). He is the Director of the Babylon Research Center at Tilburg University.

Dong Jie is tenured Associate Professor of Linguistics at Tsinghua University, China. She is the author of Discourse, Identity, and China's Internal Migration (2011, Multilingual Matters) and The Sociolinguistics of Voice in Globalising China (2017, Routledge).