Jeanine Treffers-Daller (PhD, University of Amsterdam 1991) is Principal Lecturer in Linguistics at the University of the West of England, Bristol. She published extensively in the area of Bilingualism and Language Contact, inparticular on code-switching and borrowing in French-Dutch andTurkish-German language contact. Prior to her appointment in Bristol, she worked as a lecturer in Hertfordshire and the Bosphorus University in Turkey, and as research fellow of the Netherlands Institute for Advanced Studies in the Humanities and the Social Sciences.
Roland Willemyns is a professor at the Vrije Universiteit in Brussels. He teaches historical linguistics, sociolinguistics and dialectology. He has published extensively in all these fields, as well as on language planning and policy and on the history of the Dutch language. His research interests also include historical aspects of the language contact situation and language shift.