Sandro Sessarego is Associate Professor in the Department of Spanish and Portuguese at the University of Texas at Austin. He received his Ph.D. in Hispanic Linguistics in 2010 from the Ohio State University and his J.D. in Italian Law in 2016 from the Università degli Studi di Roma. He works primarily in the fields of legal history, contact linguistics, sociolinguistics and syntax. Among other works, he is the author of Afro-Peruvian Spanish: Spanish Slavery and the Legacy of Spanish Creoles (John Benjamins, 2015), The Afro-Bolivian Spanish Determiner Phrase: A Microparametric Account (Ohio State Press, 2014), Chota Valley Spanish (Iberoamericana/Vervuert, 2013), and Introducción al Idioma Afroboliviano (Plural Editores, 2011). He is the editor of The Dynamics of Language Variation and Change (John Benjamins, in press), Spanish Language and Sociolinguistic Analysis (John Benjamins, 2016), New Perspectives on Hispanic Contact Linguistics in the Americas (Iberoamericana/Vervuert, 2015), and Current Formal Aspects of Spanish Syntax and Semantics (Cambridge Scholars Publishing, 2012).