| Term | Description |
| Technician:ROV | ROV Technician |
| Technician:Core | Coring technician |
| Technician:Lead | Includes WHOI SSSGs, Scripps ResTechs, UW Lead Technicians, NBP/LMG MarineProgramCoordinators, EW/RC/Langseth ScienceOfficers, and HLY MarineScienceOfficers |
| Student:Graduate | |
| Scientist | |
| Scientist:Investigator:Co-Principal | Co-Principal Investigator |
| Technician:Sound | |
| Scientist:Postdoctoral | |
| Student | |
| Scientist:Chief | Chief Scientist on a research cruise, Party Chief for a land program, or lead on a Compilation. |
| Scientist:Co-Chief | Shares Chief Scientist duties (generally at sea), but is secondary to the Chief Scientist. |
| Technician:Airgun:Chief | The identified head of the airgun operations party |
| Technician:Science:Chief | A high-up person who has wider-ranging responsibilities than those in the Technician:Science category. For example, the head of a shipboard technical services unit. |
| Technician:Science | Broad category to capture the role of science officer, res tech, technician-in-charge, SSSG |
| Scientist:Investigator:Principal | Principal Investigator |