魏日宁，博士，西交利物浦大学应用语言学系副教授、博士生导师、英语教育硕士项目(MA TESOL)主任，同济大学老龄语言与看护研究中心兼职研究员、英国利物浦大学名誉讲师、中国社会语言学学会常务理事、国际多语教育协会中国区多语能力与多语教育研究会理事。研究领域包括多语现象、老年语言学和应用语言学量化研究方法。论文发表于《外语教学与研究》、《现代外语》、Bilingualism: Language & Cognition、English Today、Journal of Multilingual and Multicultural Development、Journalism、System、World Englishes等国内外CSSCI、SSCI和外语类核心刊物。International Journal of TESOL Studies统计主编，兼任International Journal of Bilingual Education and Bilingualism、Modern Language Journal和Language, Culture, and Curriculum等SSCI期刊的审稿专家。

Rining WEI (Tony), PhD, associate professor at the Department of Applied Linguistics, Xi’an Jiaotong-Liverpool University (XJTLU). Dr Wei directs the MA TESOL Programme, XJTLU’s largest postgraduate degree programmes. He has supervised master’s and PhD dissertation projects covering topics such as English for Specific Purposes (ESP) and individual differences in L2 learning. His areas of research include multilingualism, geronto-linguistics, and quantitative methodology. He has published in journals including Bilingualism: Language & Cognition, English Today, Journal of Multilingual and Multicultural Development, Journalism, System, and World Englishes. He serves as (1) an Associate Editor for TESOL International Journal (Scopus-indexed), (2) the Statistics Editor for International Journal of TESOL Studies, and (3) Co-Editor-in-Chief of International Journal of English for Academic Purposes: Research and Practice.