- 2006[subject unknown]Other Research Personnel
- 2007[subject unknown]Other Research Personnel
- 2008[subject unknown]Other Research Personnel
- 2009[subject unknown]Other Visiting Research Personnel
- 2010[subject unknown]Whitman Center Investigators
- 2012[subject unknown]Investigator
- 2013[subject unknown]Investigator
- 2014[subject unknown]Visiting Research Associate
- 2016[subject unknown]Whitman Associate
- 2017[subject unknown]Whitman Center Associate