David J. Zajac, PhD, CCC-SLP
David J. Zajac, PhD, CCC-SLP, is professor in the Department of Dental Ecology, School of Dentistry, and adjunct in the Division of Speech and Hearing Sciences, Department of Allied Health Sciences, School of Medicine at the University of North Carolina at Chapel Hill. He also serves as director of speech-language pathology in the Craniofacial Center.
Dr. Zajac completed his master's degree and doctoral degree in communicative disorders at the University of Pittsburgh. He has more than twenty-five years of experience in the assessment and treatment of children and adults with craniofacial disorders. His research interests include the acoustics and aerodynamics of speech production by normal individuals and those with cleft palate. His research has been funded by the National Institutes of Health for more than fifteen years. He has presented numerous research papers, written six book chapters, and authored or coauthored more than forty research articles. Dr. Zajac is a Fellow of the American Speech-Language-Hearing Association and past associate editor for the Journal of Speech, Language, and Hearing Research.