Professor James P. Lantolf took his first degree in Education and Spanish from the University of Scranton in 1969, and received his Ph.D. in Linguistics from the Pennsylvania State University in 1974. He is now Greer Professor of Language Acquisition and Applied Linguistics in the Department of Applied Linguistics of The Pennsylvania State University. He directs the Center for Language Acquisition in the College of the Liberal Arts and has served as Co-Director of The Center for Advanced Language Proficiency Education and Research (CALPER, Pennsylvania State) since 2002, when CALPER was established.
He has published widely in the area of applied linguistics and is the co-author of Sociocultural Theory and the Genesis of Second Language Development (2006, with Steven L. Thorne). His research focuses on a wide number of theoretical issues in sociocultural theory and second language learning. Within the professional community, Professor James Lantolf serves on the Executive Committee of the American Association for Applied Linguistics (AAAL) and is a member of several editorial boards.