Jeffrey Dawala Wilang is an assistant professor at the School of Foreign Languages, Institute of Social Technology, Suranaree University of Technology, Nakhon Ratchasima, Thailand. He holds a Ph.D. in Applied Linguistics from King Mongkut’s University of Technology Thonburi, an MA in Teaching English as an International Language from Prince of Songkla University (Hat Yai Campus), and a BA in Political Science from the University of the Cordilleras (formerly Baguio Colleges Foundation). Jeffrey’s research interests include affective factors in language learning and teaching, English as a Lingua Franca (ELF), and English Medium Instruction (EMI).