1. Consultant Anesthesiologist.
2. Research Scientist.
3. Staff Anesthesiologist.
4. Director of Clinical Research.
5. Director of Drug Metabolism and Pharmacokinetics, Guilford Pharmaceuticals Inc.
6. Professor of Experimental Anesthesiology.
7. Professor of Anesthesiology and Chairman, Department of Anesthesiology, University of Erlangen-Nuremberg.