Jenifer Larson-Hall is a Professor of Second Language Acquisition in the Faculty of Foreign Languages at the University of Kitakyushu, Japan. She is the author of books on second language acquisition and creator of five bilingual children. She is currently pursuing research on Language Attrition.

Christopher Nicklin is Assistant Professor and Academic Coordinator of the Graduate School of Education at Temple University Japan. His research interests focus on the intersection between research methodology, psycholinguistics, and vocabulary acquisition.