Sangidorj Batkhishig is a Professor in the Department of Linguistics, Division of Humanities, School of Arts and Sciences, National University of Mongolia. She received her PhD in Linguistics from Dankook University, Republic of Korea, focusing on the historical phonology of seventeenth- and eighteenth-century Mongolian. Her research interests include historical and comparative linguistics, Mongolic historical linguistics and dialectology, historical phonology, language change and evolution, anthropological linguistics, Korean–Mongolian comparative linguistics, and language documentation. Her research also examines how linguistic forms reflect social, cultural, and historical change, with particular attention to Mongolian language varieties and language contact. She has conducted research at Seoul National University and Minzu University of China and has led international research projects on Mongolian language history and Korean–Mongolian linguistic and cultural relations. She received the 2024 National Award for Outstanding Scientific Publication in Mongolia.