Vice President, National Clinical Operations, Life and Specialty Ventures; Clinical Instructor, Department of Neural and Pain Sciences, University of Maryland; Private practice in general dentistry and facial pain, Jacksonville, FL
Dean, School of Dentistry, Meharry Medical College
Executive Vice President for University Life; Senior Vice Provost for Faculty Advancement, Columbia University College of Dental Medicine; Professor of Dental Medicine, Columbia University Medical Center
Former Dean of the Dental Institute at King's College London and Professor of Orthodontics; Former Professor of Orthodontics, Senior Vice Provost of Engineering Technology and Provost of Polytechnic Institute at New York University.
19th Chief Dental Officer of the U.S. Public Health Service and Assistant Surgeon General.
Director, Care Center For Persons With Disabilities Department Of Oral Medicine, Division Of Restorative Dentistry, Penn Dental Medicine
Director, CDC Dental Public Health Residency Program; Dental Officer, Surveillance, Investigations, and Research Team, Division of Oral Health (DOH), National Center for Chronic Disease Prevention and Health Promotion (NCCDPHP), Centers for Disease Control and Prevention (CDC)