Jaesu Choi received his Ph.D. in Second Language Studies from Indiana University, Bloomington, and holds an M.A. and B.A. in Korean Linguistics from Kyung Hee University, Seoul. His research interests include instructional design, with a focus on L2 learning mechanisms and task-based pedagogy. He also engages in test validation using psychometric methods and studies corrective feedback and peer interaction in remote learning environments.

As a certified Korean Language Teacher, Choi brings over a decade of experience in Korean language instruction and teacher training across all levels of higher education in both Korea and the U.S. He advocates for learner-driven language development and integrates authentic materials and communicative tasks into his teaching. His recent work centers on designing Korean language curricula that reflect contemporary Korean society, cultural contexts, visual media, and internet memes to enhance learner engagement and intercultural understanding.