[6] Dungey began her career in entertainment as a development assistant for producers J. Todd Harris and Joseph M. Singer.
She later joined Warner Bros. as a production assistant, where she helped develop and supervise a number of commercially successful films including The Bridges of Madison County (1995), Heat (1995), The Matrix (1999), and The Devil's Advocate (1997).
[10] Dungey oversaw the development of ABC Studios shows such as Scandal, How to Get Away with Murder, Nashville, Quantico, Army Wives, and Once Upon a Time.
Dungey noted ABC executives disagreed with the creative direction of the episode, wherein the writers touched on NFL players kneeling during the American national anthem to protest police brutality and show support for Black human rights.
[13] On November 16, 2018, Dungey left her role as President of the ABC Entertainment Group in advance of management changes triggered by Disney's takeover of 21st Century Fox.
[17] On October 19, 2020, it was announced that Dungey would succeed Peter Roth in the position of chairwoman of Warner Bros. Television Group, reporting to Ann Sarnoff.
[23][24] Married to Scott Power since 2003,[citation needed] Dungey serves on the Motion Picture & Television Fund (MPTF) Board of Governors.