Rubén Chacón-Beltrán is an Associate Professor at the UNED (Universidad Nacional de Educación a Distancia) in Madrid, Spain, where he teaches undergraduate courses in English as a foreign language, sociolinguistics and bilingualism, and a graduate seminar in vocabulary teaching and learning.

Christian Abello-Contesse is an Associate Professor at the University of Seville, Spain, where he teaches undergraduate courses in second language acquisition and TEFL methodology, as well as graduate seminars in bilingualism and bilingual education.

M. Mar Torreblanca-López is an Associate Professor at the University of Seville, Spain, where she teaches undergraduate courses in English as a foreign language and spoken discourse, as well as graduate courses in English pragmatics and discourse analysis.