[1] While attending New York University, Fox worked as a reader of film materials for several in New York-based production companies, including American Playhouse.
[3] In 2004, Fox first appeared as an executive producer with the detective film Criminal, starring John C. Reilly, Diego Luna and Maggie Gyllenhaal.
For the legal thriller Michael Clayton (2007), Fox was credited as producer, together with George Clooney, Kerry Orent, Sydney Pollack, Steve Samuels and Steven Soderbergh.
In 2009, Fox produced the romantic thriller Duplicity, with Julia Roberts in the title role, and the crime drama The Informant!, by Steven Soderbergh starring Matt Damon.
She also worked with Dan Gilroy on the 2014 thriller Nightcrawler, who made his directorial debut with this film, starring Jake Gyllenhaal and Rene Russo.