Carla Grunwald

Carla Grunwald is a Season 4 character. She was the Sorority Mother of a sorority at Cicero College. She disappeared multiple times but showed up back in the sorority house, according to members.

She most likely spoke to Alison over the phone, and her whereabouts may be linked to Ravenswood.

Gamma Zeta Die
A member of the sorority tells Emily that she was fired from the college.

Spencer finds a room that may have been used by her to call Ali.