The following is the hierarchy of the clinical laboratory staff from highest authority to lowest:
Pathologist, Clinical Biologist, Microbiologist, Biochemist
Resident in Pathology or Clinical Biology
Pathologist Assistant, Microbiologist Assistant, Medical Biochemist Assistant
Cytotechnologist, Medical Laboratory Scientist, Histotechnologist
Medical Laboratory Technician, Histotechnician Medical Laboratory Assistant (Lab Aide)
Specimen processor, Secretary)
Some of these titles don't exist in some countries. Sometimes technologists and technicians do the same work. In France, clinical biologists may also be Medical director and laboratory manager.