She is an Emeritus Professor at Universiti Malaya, Malaysia. She has held several senior leadership roles including Executive Director of the Asia–Europe Institute, Director of the Centre for ASEAN Regionalism, and Dean of the Faculty of Languages and Linguistics. She currently serves as Strategic Advisor to the Centre for ASEAN Regionalism at Universiti Malaya. In 2023, she was awarded Honorary Membership of the Linguistic Society of the Philippines and elected a Fellow of the Academy of Sciences Malaysia. Her research focuses on English in multilingual contexts and higher education in ASEAN. She served as President of the International Association of Applied Linguistics from 2021 to 2024, is the Founding President of the Malaysian Association of Applied Linguistics, and serves on the executive committee of the Asia Pacific Languages for Specific Purposes and Professional Communication Association. She is also a Fellow and Ambassador Scientist for the Alexander von Humboldt Foundation, Germany.

She is a lecturer and researcher at the School of Liberal Arts, King Mongkut’s University of Technology Thonburi (KMUTT), Thailand. She holds a Ph.D. in Early Childhood Education from Macquarie University, Australia. Her research interests include English language teaching, Systemic Functional Linguistics, multimodal discourse analysis, critical discourse analysis, and technology-enhanced language education.

He is a lecturer and researcher at the Department of Western Languages and Linguistics, Faculty of Humanities and Social Sciences, Mahasarakham University, Thailand, where he also serves as a committee member of the Postgraduate Board for the M.Ed. in ELT, Ph.D. in ELT, and M.A. in English programs. He holds a Ph.D. in Applied Linguistics and has published extensively in ISI- and Scopus-indexed journals. His research interests include Global Englishes, discourse analysis, sociolinguistics, English Medium Instruction, teacher education, beliefs, attitudes and identity, intercultural communication, and innovative research methodology.