| Position | Employer | Date |
| Research Associate / Sr. Research Associate | Cambridge, MA | 08/05/2008 |
| Director / Sr. Director | Philadelphia, PA | 07/03/2008 |
| Senior Mass Spectropscopist, Drug Metabolism | West Chester, PA | 06/08/2008 |
| Senior/Principal Research Scientist I | San Diego, CA | 03/11/2008 |