| 2006-2007. | Kenneth Angielczyk, Department of Geology, Field Museum of Natural History; NSF Postdoctoral Researcher. |
| 2003-2005. | Kenneth Angielczyk, Department of Geology, Field Museum of Natural History. NSF Interdisciplinary Informatics Postdoctoral Fellow. |
| 2000-2001. | Lindsey Leighton, Department of Geology, San Diego State University. NSF Earth Sciences Postdoctoral Fellow. |