Jack Sidnell is Professor in the Department of Anthropology at the University of Toronto. His research focuses on the intersection of language structure, social interaction, and reflexive reanalysis, especially in Vietnamese. He is the co-author of The Concept of Action (Cambridge) and Consequences of Language (MIT), both with NJ. Enfield, and is the editor of Conversation Analysis: Comparative Perspectives (2009) and co-editor of Conversational Repair and Human Understanding (2013), The Handbook of Conversation Analysis (2012), and The Cambridge Handbook of Linguistic Anthropology (2014).