Party affiliation: Liberal Democrats
Senior lecturer S Glamorgan Institute, Cardiff, Wales, 1978—1986, Polytechnic of Wales, Pontypridd, Wales, 1987—1991. Professor of phonetics and linguistics University of Ulster, Jordanstown, Northern Ireland, 1992—2000. Hawthorne-Regents' endowed professor University of Louisiana at Lafayette, since 2000.
Honorary professor University of Wales Institute, Cardiff, since 2004. Editor Clinical Linguistics and Phonetics, London, since 1987. Associate editor Journal of Multilingual Communications Disorders, London, since 2003.
1978 - 1986
1987 - 1991