Kimberly L. Geeslin is Professor in the Department of Spanish and Portuguese at Indiana University. Her research focuses on second language Spanish and the intersection of SLA and sociolinguistics. She is co-author of Sociolinguistics and Second Language Acquisition (2014) and the editor of The Handbook of Spanish Second Language Acquisition (2013). She has published research articles in Studies in Second Language Acquisition, Language Learning, Hispania, Spanish in Context, Bilingualism: Language and Cognition, Linguistics and Studies in Hispanic and Lusophone Linguistics.