Xi Yan obtained his Ph.D. in linguistics from the University of Macao and is currently Associate Professor in the Faculty of Foreign Languages at Southeast University, China. His research interests include linguistic landscapes, language attitudes, language ideologies, language planning, and language policy in Mainland China and Macao. He has published in journals such as Current Issues in Language Planning, Language Problems and Language Planning, Language, Culture and Curriculum, Journal of Multilingual and Multicultural Development, Language Awareness, Asian Englishes, and Chinese Language and Discourse.