A. Lynn Williams, Ph.D. is Associate Dean in the College of Clinical and Rehabilitative Health Sciences and a professor in the Department of Audiology and Speech-Language Pathology at East Tennessee State University. Most of her research has involved clinical investigations of models of phonological treatment for children with severe to profound speech sound disorders. She developed a new model of phonological intervention called multiple oppositions that has been the basis of federally funded intervention studies by the National Institutes of Health (NIH), and she developed a phonological intervention software program, Sound Contrasts in Phonology (SCIP), that was funded by NIH. Dr. Williams served as associate editor of Language, Speech, and Hearing Services in Schools and most recently served as the associate editor of the American Journal of Speech-Language Pathology. Dr. Williams is a Fellow of the American Speech-Language-Hearing Association and served as ASHA Vice President for Academic Affairs in Speech-Language Pathology (2016–2018). She currently serves as ASHA’s 2020 President-Elect (2021 ASHA President).
Sharynne McLeod, Ph.D. is a speech-language pathologist and professor of speech and language acquisition at Charles Sturt University, Australia. She is an elected Fellow of the American Speech-Language-Hearing Association and Life Member of Speech Pathology Australia. She was named Australia’s Research Field Leader in Audiology, Speech and Language Pathology (2018, 2019, 2020) and has won Editors’ Awards from Journal of Speech, Language, and Hearing: Speech (2018) and American Journal of Speech-Language Pathology (2019). She was an Australian Research Council Future Fellow, previous editor-in-chief of the International Journal of Speech-Language Pathology, and has coauthored 11 books and over 200 peer-reviewed journal articles and chapters focusing on children’s speech acquisition, speech sound disorders, and multilingualism.
Rebecca J. McCauley, Ph.D.is a professor in the Department of Speech and Hearing Sciences at The Ohio State University. Her research and writing have focused on assessment and treatment of pediatric communication disorders, with a special focus on speech sound disorders, including childhood apraxia of speech. She has authored or edited seven books on these topics and co-authored a test designed to aid in the differential diagnosis of childhood apraxia of speech. Dr. McCauley is a Fellow of the American Speech-Language-Hearing Association, has received Honors of the Association, and has served two terms as an associate editor of the American Journal of Speech-Language Pathology.