Tania Ionin is Professor of Linguistics at the University of Illinois at Urbana-Champaign, and an associate editor for the journal Language Acquisition. She received her PhD in Cognitive Science from MIT in 2003, and has worked at the University of Illinois since 2007. Her areas of expertise include second language acquisition and experimental semantics, with focus on the nominal domain. She has published two co-authored books (Ionin and Matushansky, Cardinals: The Syntax and Semantics of Cardinal-containing Expressions, MIT Press, 2018; Ionin and Montrul, Second Language Acquisition: Introducing Intervention Research, Cambridge University Press, 2023), a co-edited handbook (Ionin, Montrul and Slabakova: The Routledge Handbook of Second Language Acquisition, Morphosyntax and Semantics, Routledge, 2024) and numerous articles. She regularly teaches courses in experimental research methods, language acquisition, psycholinguistics and pedagogical grammar.