Haeun Kim is a Lecturer in Applied Linguistics in the School of Languages and Linguistics at the University of Melbourne. She completed her PhD in Applied Linguistics and Technology at Iowa State University under the supervision of Professor Carol Chapelle. Her research focuses on multimodal assessments for young learners, argument-based validation, corpus linguistics, generative AI-assisted writing, and informal language learning in the digital wilds. Her recent work examines how generative AI is changing language assessment and how second language learners use AI to support their writing. Her recent co-authored book chapters include “Designing evaluations for validation of language assessments” in The Concise Companion to Language Assessment (Wiley, 2024), and a chapter examining ChatGPT-generated versus human writing scores in Exploring Artificial Intelligence in Applied Linguistics (ISU Digital Press, 2024). Her work has also appeared in Language Assessment Quarterly, Research Methods in Applied Linguistics, CALICO Journal, and The Encyclopedia of Applied Linguistics. She received the 2025 Outstanding CALICO Journal Article Award and the 2023 British Council Assessment Research Award, and was a finalist for the 2026 Jacqueline Ross TOEFL Dissertation Award.