[1] She has written for FOX's Surviving Jack,[2][3] ABC's Suburgatory, Adult Swim's NTSF:SD:SUV, the Comedy Central Roasts, the MTV Movie Awards and FXX's Stone Quackers.
Marshall has written pilots for FX, Disney+, Freeform, Paramount, MTV, Disney Channel and developed series with CBS Studio.
Marshall began her career writing for Playgirl magazine while she was attending Columbia University.
After graduation, she worked as a DGA Production Associate for the CBS Evening News.
When Marshall moved to Los Angeles, she wrote and performed sketch comedy on the house "Maude" teams at the Upright Citizens Brigade Theater.