Miller joined CBS from Warner Bros. where she served as Executive Vice President of Domestic Theatrical Marketing. There she spearheaded the campaigns for the "Harry Potter" series, the highest grossing franchise in motion picture history, as well as for Academy Award winners: "The Departed”, "Happy Feet" 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,’ to name a few. She originally joined the Warner Bros. as Senior Vice President, Publicity in 2001.

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