Viorica Marian is a Moldovan-born American Psycholinguist, Cognitive Scientist, and Psychologist known for her research on bilingualism and multilingualism. She is the Ralph and Jean Sundin Endowed Professor of Communication Sciences and Disorders, and Professor of Psychology at Northwestern University. Marian is the Principal Investigator of the Bilingualism and Psycholinguistics Research Group. She received her PhD in Psychology from Cornell University, and master's degrees from Emory University and from Cornell University. Marian studies language, cognition, the brain, and the consequences of knowing more than one language for linguistic, cognitive, and neural architectures.