1. Professor of Nursing and Dental Behavioral Sciences, Assistant Dean, Scholarship and Research School of Nursing and College of Dental Medicine, Columbia University New York NY USA
2. Postdoctoral Research Fellow, Department of Bioinformatics Columbia University New York NY USA
3. Postdoctoral Research Fellow, School of Nursing Columbia University New York NY USA
4. Assistant Program Director, PhD program, School of Nursing Columbia University New York NY USA