Dr. Zajac is a professor in the Division of Craniofacial and Surgical Care at the Adams School of Dentistry, University of North Carolina at Chapel Hill. He is also an adjunct associate professor in the Division of Speech and Hearing Sciences and a Fellow of the American Speech-Language-Hearing Association. He received his masters and PhD degrees in communication disorders from the University of Pittsburgh. For the past 25 years, he has been both a clinical speech-language pathologist and speech scientist at the UNC Craniofacial Center.
Dr. Zajac specializes in the evaluation and management of individuals with cleft lip and palate and other craniofacial anomalies. He has authored over 45 peer-reviewed articles, 10 book chapters, and two textbooks. His research on cleft palate speech and other disorders has been regularly funded by NIH since 1993.