1. Senior Research Investigator, Department of Biological Sciences, Allergan, Inc., Irvine, California.
2. Assistant Professor, Department of Anesthesiology/CCM, Johns Hopkins University, Baltimore, Maryland.
3. Scientist, Department of Biological Sciences, Allergan, Inc.
4. Professor, Department of Anesthesiology/CCM, Johns Hopkins University.
5. Vice President, BioScience, Department of Biological Sciences, Allergan, Inc.