Research Interests: Spanish linguistics, History of the Ibero-Romance languages, Spanish Sociolinguistics and Variation, Sephardic Studies and Ladino.

As a specialist in Spanish philology, Ibero-romance languages, and Judeo-Spanish (Ladino), her research and teaching focus on historical linguistics, sociolinguistics, and Spanish and Judeo-Spanish language variation. M.A. from the Freie Universität Berlin and PhD from the Hebrew University, she was a research fellow at the Spanish National Research Council (CSIC) before she has joined the Department of Romance and Latin American Studies in 2009, where she is an associate professor. Her publications include the book Geografía lingüística del judeoespañol: estudio sincrónico y diacrónico. Completed projects: "The Sephardim - Through Their Own Eyes and Their Relationship with the Spanish Language I" (Spanish Ministry of Science and Development, Grants SB2006-0005 and JCI-2008-2348), "From Old Spanish to Judeo-Spanish: Formation of New Linguistic Varieties Not Subjected to Standardizing Pressure in the Context of Migration (16th-17th Centuries)" (La Lettre Sepharade and Israel Sciences Foundation, Grant 473/11), Traditional Judeo-Spanish (18th-19th centuries) according to the Meam Loez Series  (ISF, Grant 486/19). Current research: A Descriptive Grammar of Judeo-Spanish (ISF, Grant 1505/24), CoDiAJe - The Annotate diachronic corpus of Judeo-Spanish (Ladino), CoOrAJe - the Annotated Oral Corpus of Judeo-Spanish, "Civic responses after terror attacks in Europe: language, communication and society".
Dr. Aldina Quintana is a corresponding academician of the Royal Spanish Academy (RAE).