Felicity Cox has been teaching phonetics and phonology in tertiary education since 1983 and has held lecturing positions at Sydney University's Faculty of Health Sciences and Macquarie University, Sydney. She has been at Macquarie University since 1991 and is a co-convenor of the Bachelor of Speech and Hearing Sciences programme. Dr Cox's postgraduate teaching and supervision involves students from the Master of Applied Linguistics, the Master of Communication Disorders, the Master of Speech and Language Pathology and the Ph.D. program. In 1997, Dr Cox was awarded a Ph.D. for her thesis entitled 'An Acoustic Examination of Vowel Variation in Australian English'. This study provided a comprehensive acoustic account of Australian English vowels. Dr Cox is a member of the International Phonetic Association, the Australian Speech Science and Technology Association and the Australian Linguistic Society. Janet Fletcher is Professor of Phonetics in the School of Languages and Linguistics, University of Melbourne. She has held previous appointments at the University of Edinburgh, the Ohio State University, and Macquarie University, Sydney. Her research interests include phonetic theory, laboratory phonology, prosodic phonology, articulatory and acoustic modelling of prosodic effects in various languages. She is currently working on phonetic variation, and prosody, and intonation in Indigenous Australian languages. She is a member of the Research Unit for Indigenous Language in the School of Languages and Linguistics and is a Chief Investigator in the University of Melbourne node of the Centre of Excellence 'Dynamics of Language'.