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I grew up in Hong Kong where I obtained my BA (Hons) in Contemporary English studies. During my undergraduate years I've spent some time in the States at Franklin and Marshall College, Pennsylvania and also in the UK at the University of York. Upon the completion of my BA, I came to the UK to pursue my (Integrated) PhD studies at Newcastle University in English Language and Linguistics. I successfully defended my thesis on second language phonology acquisition under the influence of multiple varieties in 2012. I first joined Northumbria as a part time lecturer in TESOL at the beginning of 2012 and have been employed as a full time lecturer since the academic year of 2012-2013. In addition to my Northumbria duties, I work as an external examiner for the MA programmes of UCLAN and was the external examiner for Leeds between 2018-2021. I’m the Secretary of the British Association for Applied Linguistics (BAAL) and have previously served as the Meetings Secretary (2013-2019) and the Publications Secretary (2021-2024). I am a section editor for Open Linguistics (De Gruyter), the Key Concepts co-editor of the ELT Journal (Oxford), and an editorial board member of the International Studies in Sociology of Education (Taylor & Francis). I am also a regular reviewer for various journals. I am currently co-editing the second edition of the Cambridge Handbook of Second Language Acquisition alongside three colleagues.