Olcay Sert is Professor of TESOL and Applied Linguistics at Mälardalen University, Sweden. He is the editor of the journal Classroom Discourse, author of Social Interaction and L2 Classroom Discourse (2015) and co-editor with Silvia Kunitz and Numa Markee of Classroom-based Conversation Analytic Research: Theoretical and Applied Perspectives on Pedagogy (2021).