Dr. Williams serves as administrative director of the center as well as providing clinical speech-language service for the team. He conducts videofluoroscopic and nasendoscopic evaluations of patients requiring secondary management (surgical, prosthetic obturation or behavioral therapy) of their velopharyngeal function for speech. Over the past 16 years he has served as Principal Investigator of several international NIDCR funded grants in cooperation with the University of Säo Paulo, Bauru, Brazil. This research has focused on speech, velopharyngeal function, and other outcome measures for different palatal surgeries. Dr. Williams also serves as the Statewide Coordinator for the CMS, DOH, statewide Florida Cleft and Craniofacial Network.