Stephan Breidbach is Professor for English Language Education at the Humboldt-Universität zu Berlin. He specialises in CLIL and philosophy of (language) education. Other fields of interest are narrative research on language teacher and learner identities and the social discourse of language education. Britta Viebrock is Professor of TEFL at the Institute of English and American Studies at the Goethe-Universität Frankfurt.
Apart from CLIL, her areas of research include new literacies, web-based ELT, qualitative research methodology, transcultural foreign language learning and research ethics.