I-Rui Wang is an experienced educator and researcher specializing in Second Language Acquisition, Mandarin phonology, and immersion pedagogy. He holds a Bachelor of Arts in Chinese Literature from Fu Jen Catholic University and has taught Mandarin in diverse international settings, including Masaryk University and the Fu Jen Mandarin Language Center. Most recently, he served as a Fulbright Foreign Language Teaching Assistant (FLTA) at Wabash College in the United States, where he combined practical classroom instruction with empirical research on tone acquisition and corrective feedback.