Suzanne Ruth Pfeffer is an American neuroscientist who is a professor at Stanford University.

[8] She moved to the University of California, San Francisco for her graduate studies, where she worked with Regis B. Kelly on synaptic vessels.

[7] Her doctoral research investigated the role of coated vesicles in intracellular transport.

[9] After her PhD, she moved to Stanford University as a Hay Whitney postdoctoral fellow, where she worked with James Rothman on Golgi transport.

[7][10] Pfeffer set up her own research program at Stanford University, where she was the first woman to be appointed to the department of biochemistry.