1. Associate Professor.
2. Assistant Professor, Department of Anesthesiology.
3. Assistant Professor, Departments of Pediatrics and Preventive Medicine, Statistician, Mary Ann and J. Milburn Smith Child Health Research Program.
4. Statistician, Mary Ann and J. Milburn Smith Child Health Research Program, Children’s Memorial Institute of Education and Research.
5. Research Coordinator, Children’s Memorial Hospital, The Feinberg School of Medicine at Northwestern University.
6. Professor Departments of Pediatrics and Anesthesiology.