The Stable Isotope Mass Spec Lab in the Department of Geological Sciences serves a wide range of users from across the University of Florida. Some recent University of Florida Faculty users include:
| Jason Curtis | Geological Sciences |
| John Krigbaum | Anthropology |
| Jon Martin | Geological Sciences |
| Mark Brenner | Geological Sciences |
| Jim Channell | Geological Sciences |
| Andy Zimmerman | Geological Sciences |
| George Kamenov | Geological Sciences |
| John Jaeger | Geological Sciences |
| Irv Quitmyer | Florida Museum of Natural History |
| Doug Jones | Florida Museum of Natural History |
| Bruce MacFadden | Florida Museum of Natural History |
| Ross Secord | Florida Museum of Natural History |
| Karen Bjorndal | Zoology |
 |
 |