Roger Kreuz is Associate Dean and Director of Graduate Studies in the College of Arts and Sciences and Professor of Psychology at the University of Memphis. He is the coauthor (with Richard Roberts) of Becoming Fluent: How Cognitive Science Can Help Adults Learn a Foreign Language,Getting Through: The Pleasures and Perils of Cross-Cultural Communication, and Changing Minds: How Aging Affects Language and How Language Affects Aging (all published by the MIT Press).

Richard Roberts is a Foreign Service Officer currently serving as the Public Affairs Officer at the US Consulate General in Okinawa, Japan. He is the coauthor (with Roger Kreuz) of of Becoming Fluent: How Cognitive Science Can Help Adults Learn a Foreign Language and Getting Through: The Pleasures and Perils of Cross-Cultural Communication, both published by the MIT Press.