Lara Bryfonski is an assistant professor of linguistics at Georgetown University. She has published and presented her research on a variety of topics in second language acquisition, including task-based language teaching, corrective feedback, materials development, language learning in study abroad, and methods for second language research. Her publications appear in journals such as the Annual Review of Applied Linguistics, Language Teaching Research, the Modern Language Journal, and Studies in Second Language Acquisition, as well as a variety of edited collections. She is a former ESL/EFL teacher and an experienced teacher trainer and has worked with NGOs in Latin America, public and private schools in the US, governmental and financial organizations, and universities to provide research-based training in language teaching. Alison Mackey is a tenured full professor and Chair of the Department of Lingusitics at Georgetown University (with an additional professorial appointment at Lancaster University in the UK during summers), and an expert in both general second language research and language research methodology. She has published over 100 journal articles and book chapters, and books in total, including the Mildenberger Prizewinning The Routledge Handbook of Second Language Acquisition (2012). She is editor-in-chief of Annual Review of Applied Linguistics, a co-founder and developer of the open-access Instruments for Second Language Research database, and, for the last two decades, co-editor of Routledge's Second Language Acquisition Research series. She has received both of Georgetown University's top honors: the President's Award for Distinguished Scholar-Teachers and the Provost's Career Research Achievement Award. She has also received the Distinguished Scholarship and Service Award from the American Association of Applied Linguistics (2021), and the Distinguished Research Award from the International Task-Based Language Teaching Association (2022). She is one of the top-cited scholars internationally in applied linguistics.