Martin J. Ball is Hawthorne-BoRSF Endowed Professor at the University of Louisiana at Lafayette. He is co-editor of the journal Clinical Linguistics and Phonetics (Taylor & Francis), and the book series Communication Disorders Across Languages (Multilingual Matters). His main research interests include sociolinguistics, clinical phonetics and phonology, and the linguistics of Welsh. He is an honorary Fellow of the Royal College of Speech and Language Therapists, and a Fellow of the Royal Society of Arts.

Nicole Müller is Hawthorne-BoRSF Endowed Professor of Communicative Disorders at the University of Louisiana at Lafayette. Her main research interests include: clinical discourse studies and pragmatics, specifically as applied to Alzheimer's Disease; communication disorders and multilingualism; and functional grammar.

Ryan L. Nelson is Assistant Professor, Hawthorne-BoRSF Endowed Professor of Communicative Disorders at the University of Louisiana at Lafayette. His main research interests include: childhood language disorders, literacy construction and usage, and qualitative research methodologies.