- 1989[subject unknown]Other Research Personnel
- 1992[subject unknown]Other Research Personnel
- 1993[subject unknown]Other Research Personnel
- 1994[subject unknown]Other Research Personnel
- 1995[subject unknown]Other Research Personnel
- 1996[subject unknown]Other Research Personnel
- 1997[subject unknown]Other Research Personnel
- 2002[subject unknown]Other Research Personnel
- 2007[subject unknown]Other Research Personnel
- 2008[subject unknown]Other Research Personnel
- 2009[subject unknown]Whitman Center Investigators
- 2010[subject unknown]Whitman Center Investigators
- 2011[subject unknown]Whitman Center Investigators
- 2012[subject unknown]Investigator
- 2013[subject unknown]Investigator
- 2014[subject unknown]Principal Investigator
- 2015[subject unknown]Whitman Center Scientist
- 2016[subject unknown]Whitman Scientist
- 2017[subject unknown]Whitman Center Scientist
- 1999[subject unknown]Corporation Member
- 2000[subject unknown]Corporation Member