Dr. Rozier is an Emeritus Professor with the University of North Carolina at Chapel Hill Gillings School of Global Public Health in the Department of Health Policy and Management.
He is a past president of the American Association of Public Health Dentistry and the American Board of Dental Public Health, and has served as President of the Behavioral Sciences and Health Services Research Group of the International Association for Dental Research. He is a past editor of the Journal of Public Health Dentistry.
He has contributed consistently to the scientific literature, having more than 150 scientific publications during his career. The emphasis of this research generally has been on evaluation of strategies to reduce oral health inequalities in children. Research designs used for these studies include quasi-experimental studies, randomized controlled trials, observational studies with large insurance databases, systematic reviews and simulation studies. Over the past decade, Dr. Rozier and collaborators have incrementally build and tested health care strategies that engage physicians, dentists and community organizations like Early Head Start programs, in improving access to oral health preventive and treatment services for preschool-aged children.