Ruolin is a lecturer in Educational Linguistics. She is the TEFL Programme Lead and the module lead for Researching Education and Communicative Language Teaching. Before joining the School of Education, Ruolin worked as a lecturer in Education and a researcher in Applied Linguistics at the University of York. Ruolin has extensive experience in teaching TESOL and Applied linguistics at undergraduate level. Her research interests include language testing and assessment, test preparation and washback, validity and validation.