1. Assistant Professor, Department of Diagnostic and Biomedical Sciences, School of Dentistry, University of Texas Health Science Center at Houston
2. Research Assistant II, Department of Diagnostic and Biomedical Sciences, School of Dentistry, University of Texas Health Science Center at Houston
3. Associate Professor, Department of General Dentistry and Dental Public Health, School of Dentistry, University of Texas Health Science Center at Houston; Dentist Geriatrician, Department of General Dentistry and Dental Public Health, School of Dentistry, University of Texas Health Science Center at Houston
4. Dean, University of Texas Medical Branch School of Nursing