Jacqueline Schaeffer was born on October 26, 1978, in Agoura Hills, California. She is an American filmmaker, best known for her work in the Marvel Cinematic Universe and her feature film debut, TiMER, which premiered at the 2009 Tribeca Film Festival.
Growing up, Schaeffer was inspired by filmmakers Quentin Tarantino, Robert Rodriguez, Allison Anders, and Lisa Cholodenko. She graduated from Princeton University in 2000 with an A.B. in English and went on to earn a Master of Fine Arts in Film Production from the USC School of Cinematic Arts.
Schaeffer's early work included writing for the Princeton Triangle Club theatre group, where she played versions of herself. She is Jewish on her father's side and has two children.
Her first feature film, TiMER, a science fiction romantic comedy, was released in 2010. She then wrote The Hustle, a Dirty Rotten Scoundrels remake starring Anne Hathaway and Rebel Wilson, which was released in 2019. Schaeffer is also developing her blacklisted script, The Shower, with Hathaway.
In addition to her work on The Hustle, Schaeffer contributed to the screenplay for Captain Marvel, which was released in 2019. She was also hired by Marvel to write the first and final episodes and serve as head writer for the Disney+ miniseries WandaVision.
Schaeffer signed a three-year overall deal with Marvel Studios and 20th Television in May 2021 to develop projects for them, including two series planned as WandaVision spin-offs: Agatha, centred on Agatha Harkness; and Vision Quest, centred on The Vision.