1. Assistant Professor, Department of Anesthesiology.
2. Instructor, Department of Anesthesiology
3. Resident, Department of Anesthesiology. University Hospitals of Cleveland.
4. Graduate student, Department of Biomedical Engineering.
5. Associate Professor, Department of Biomedical Enginering.
6. Associate Professor, Departmento of Surgery.
7. Assistant Professor, Department of Biometry.
8. Professor and Director, Department of Anesthesiology.