Nancy H. Hornberger is Professor of Education and Director of Educational Linguistics at the Graduate School of Education, University of Pennsylvania. Her interests include language planning and policy; bilingualism, bilingual education and biliteracy; and the ethnography of communication. Marilyn Martin-Jones is professor of Languages in Education and Director of the MOSAIC Centre. Anne-Marie de MejÃa is associate professor at the Universidad de los Andes in Columbia.
Nancy H. Hornberger is Professor of Education and Director of Educational Linguistics at the Graduate School of Education, University of Pennsylvania. Her interests include language planning and policy; bilingualism, bilingual education and biliteracy; and the ethnography of communication. Angela Creese is professor in Educational Linguistics at the University of Birmingham. Peter Martin, a leading authority on Asian languages and multilingual education, passed away in 2009.