Miller joined CBS Films after serving as Executive Vice President of Domestic Theatrical Marketing for Warner Bros. There she had spearheaded campaigns for the "Harry Potter" series, the highest grossing franchise in motion picture history, as well as for three Academy Award Best Picture winners: "The Departed," "Happy Feet" (Best Animated Film) and "Million Dollar Baby." Miller also led campaigns for a wide range of films, including the "Ocean’s" films, "The Matrix Reloaded" and "The Matrix Revolutions," as well as "I Am Legend," "300," "Batman Begins," "Superman Returns," "Charlie and the Chocolate Factory," "The Polar Express," "Mystic River," "Syriana" and "Michael Clayton," among many others.

Miller had been with Warner Bros. Pictures since 2001, joining as Senior Vice President, Publicity and subsequently serving in several upper level marketing positions.

Prior to joining Warner Bros., Miller was Vice President of National Publicity at Twentieth Century Fox. Her campaigns there included "Independence Day" (Campaign of the Year, Publicist Guild Awards), "There’s Something About Mary" (Campaign of the Year, Publicist Guild Awards), "Fight Club," "Speed," "True Lies" and the Oscar nominated films "Cast Away," and "The Thin Red Line."