Gengqi (Greyson) Xiao is a PhD candidate in Second Language Acquisition at the University of Wisconsin–Madison. His research examines the intersection of language, identity, and power. He investigates the reciprocal relationships among language ideologies, identities, and language learning; how sociohistorical and sociopolitical forces marginalize certain communities and their language practices; and how transformative frameworks such as translanguaging and English as a lingua franca can challenge existing linguistic hierarchies. His recent work has appeared in Applied Linguistics, Critical Inquiry in Language Studies, Educational Researcher, Higher Education, Journal of Sociolinguistics, Linguistics and Education, and The Modern Language Journal.