Joe Barcroft is professor of Spanish and second language acquisition and affiliate professor of psychological and brain sciences at Washington University in St. Louis. His research focuses on second language vocabulary learning, lexical input processing, speech processing, and psycholinguistic approaches to issues in second language acquisition. Dr. Barcroft’s publications include articles in journals such as Studies in Second Language Acquisition, Language Learning, and Applied Psycholinguistics. His books include Lexical Input Processing and Vocabulary Learning (John Benjamins) and the coedited volumes Spanish Vocabulary Learning in Meaning-Oriented Instruction (Routledge) and The Routledge Handbook of Second Language Acquisition and Input Processing. He is currently based in St. Louis, Missouri.