The Research Support Professionals Unit (RX) is a systemwide bargaining unit of non-supervisory research support professionals who provide highly specialized and complex scientific support for researchers throughout the UC system and the Lawrence Berkeley National Laboratory (LBNL). The unit is represented by the University Professional and Technical Employees union (UPTE). Currently, the unit includes approximately *6,534 employees.

An approximate breakdown of the number of Research Support Professionals at each location is as follows:

Location Headcount
ANR      67
Berkeley    300
Davis (Campus)    900
Davis (Medical Center)       7
Irvine (Campus)   340
Irvine (Medical Center)       2
LBNL    133
Los Angeles (Campus) 1,449
Los Angeles (Medical Center)        2
Merced        9
Riverside      67
San Diego (Campus) 1,518
San Diego (Medical Center)        1
San Francisco (Campus) 1,594
Santa Barbara      86
Santa Cruz      59
Total 6,534

*GOA Data, April 2024