Dr. Wang, Xin is a Senior Lecturer at Macquarie University, Australia. She received her PhD (majored in Second Language Acquisition and minored in Cognitive Science) from the University of Arizona (USA). Then she was supported by a Research Fellowship at the University of Oxford (UK). In addition, for a brief period, she was an Assistant Professor housed in the Department of English Language and Literature at the National University of Singapore. Her primary research interest is in how L2 is mentally processed and represented in relation to L1, in order to understand the linguistic and cognitive architecture of Bilingualism/Multilingualism. She has published as the first author in a variety of international peer-reviewed journals, including Cognition; Language, Cognition and Neuroscience; Bilingualism: Language and Cognition; etc. Her recent project is funded by Australia Research Council to understand how tonal information is processed and represented in tonal bilinguals.