Christine Hélot is a professor of English and teacher educator at the University of Strasbourg in France. She holds a PhD in Applied Linguistics from Trinity College (Dublin). She has published several books and numerous articles both in French and English on bilingualism and bilingual education, language education policies, language awareness and intercultural education.

Muiris Ó Laoire is a Senior Lecturer at the Institute of Technology, Tralee, Ireland. A graduate of the National University of Ireland, he is author of books, textbooks and several articles and chapters on multilingualism, bilingualism language policy and pedagogy.