Julie Mak is a genetic counselor who works with patients investigating all types of hereditary cancer, with a special focus on gynecologic cancers. She is a supervisor at the UCSF Hereditary Cancer Clinic.

As an undergraduate at Stanford University, Mak earned a combined degree in biological science and German studies. She then completed a master's degree in neuroscience, with a focus on genetics, at Stanford. She earned a master's degree in genetic counseling from the University of Toronto.