She wrote and produced Blumhouse's CAM, a psychological thriller on Netflix starring Madeline Brewer.
Mazzei grew up in Boulder, Colorado[2] after spending her early years in California.
[3] She is a graduate of the University of California, Berkeley, where she received a degree in Comparative Literature in 2013.
[5] Mazzei began writing professionally in 2016 with the screenplay for CAM, loosely based on her own experience as a camgirl.
[11] In 2019, she co-wrote and produced an episode of 50 States of Fright for Quibi, starring Christina Ricci.