Mark Bedoya Ulla (they/them) is an Assistant Professor and the Head of Research at the School of Languages and General Education, Walailak University, Thailand. He finished his Doctor of Communication degree from the University of the Philippines Open University and his PhD in Language Education at Saint Louis University, Baguio City. His research interests include queer teacher migration, queer intercultural communication, language teacher identity, critical applied linguistics, and gender in language education. He has published over 50 research articles indexed in Scopus and Web of Science and three book chapters in Springer Nature and IGI Global. His publications appear in the RELC Journal, TESOL Journal, English in Education, Language Learning Journal, and Interactive Media in Education.

Before teaching at Walailak University, Thailand, he was a teacher-trainer at the Yangon University of Education by the British Council Myanmar, where he trained university teachers in Yangon, Myanmar. He was also a King Mongkut University of Technology Thonburi visiting researcher and a research scholar grantee of the University English Centers Australia, IDP Cambodia, and CamTESOL from 2016 to 2020. He was given the top early-career researcher award in Social Sciences, Humanities, and Education and was one of the top researchers at Walailak University in 2019–2020. He was also awarded as a number one researcher at the School of Languages and General Education in terms of the number of publications, citations, and author's h-index in 2019–2023.