De Wet Swanepoel, PhD, is an Associate Professor and clinical research audiologist in the Department of Communication Pathology, University of Pretoria, South Africa, and Adjunct Professor at the University of Texas at Dallas, Callier Center for Communication Disorders. His research and clinical interests span the field of early identification and diagnosis of hearing loss, as well as penetrating developing world regions with hearing health care through tele-health. Dr. Swanepoel also has an interest in objective measures of assessing auditory functioning and special populations, such as persons living with HIV/AIDS. He has received several awards and research grants for his work in these areas and has published numerous peer-reviewed articles and co-authored Objective Assessment of Hearing. He is a regular presenter at international conferences and is a regional editor for the International Journal of Audiology. Brenda Louw, D Phil, is a Professor in speech-language pathology. She is Professor Emeritus and the past Head of the Department of Communication Pathology, University of Pretoria, South Africa. Currently, she is Chair of the Department of Communicative Disorders, East Tennessee State University in the United States. Dr. Louw is a National Research Foundation rated researcher in South Africa, with extensive editorial experience and specialist areas of expertise spanning early intervention, cleft palate and craniofacial disorders, children with HIV/AIDS, and research ethics. She has published widely and regularly presents at international conferences on these topics. She also is actively involved in projects to promote cleft care in Africa.Swanepoel, DeWet is the author of 'HIV/AIDS Related Communication, Hearing, and Swallowing Disorders', published 2010 under ISBN 9781597562621 and ISBN 1597562629.