Daughter of television writer Lawrence H. Levy, Erin Levy took a screenwriting seminar at USC in high school, which sparked her interest in following in her father's footsteps.

Levy attended USC undergraduate for screenwriting, where one of her professors was Matthew Weiner.

The two kept in touch, and when Weiner needed a writing assistant, Levy joined the crew of AMC drama Mad Men as a writing assistant for the third season in 2009.

Levy and the writing staff won the Writers Guild of America (WGA) Award for Best Drama Series at the February 2010 ceremony for their work on the third season.

[2][3] "The Chrysanthemum and the Sword" is her first episode where she is given solo writing credit.