Heather A. Linville, Ph.D. is Professor and Chair of Educational Studies at the University of Wisconsin, La Crosse, USA, where she teaches undergraduate teacher candidates to be knowledgeable, critical, and ethical teachers of multilingual learners.Polina Vinogradova, Ph.D. is Hurst Senior Professorial Lecturer and TESOL Program Director at American University in Washington, D.C., USA, where she works with undergraduate and graduate TESOL students.