Bill VanPatten was a professor of Spanish at Michigan State University, where he was also an affiliate faculty in the Department of Cognitive Science. He is currently an independent scholar while he also pursues fiction writing in both English and Spanish. His primary areas of research within second language acquisition are the acquisition of formal properties of language, language processing and parsing, and the interface between processing and acquisition.

Gregory D. Keating is an associate professor of Linguistics at San Diego State University. His research interests include second language acquisition, heritage language bilingualism, sentence processing, and online methods. He is an associate editor of Studies in Second Language Acquisition.

Stefanie Wulff is an associate professor in the Linguistics Department at the University of Florida, and between 2019 and 2023, Professor II at UiT The Arctic University of Norway. Her research interests are in second language learning, quantitative corpus linguistics, and student writing development. She is the editor-in-chief of Corpus Linguistics and Linguistic Theory (de Gruyter Mouton).