She worked for over four decades as a marketing executive and public relations professional in the entertainment industry with filmmakers, actors and production companies. She started off in the agency business before rising to VP of publicity at MGM. During the 1980s and 1990s, she was a unit publicist on more than 20 major motion pictures including “Top Gun,” “Good Morning Vietnam,” “Beverly Hills Cop II” and “The Hunt for Red October” starring Sean Connery.
Following her work as a film publicist, she became the director of media relations at HBO. Then, in 2004 Robertson returned to the PR world and joined the Dart Group, a start-up public relations firm that grew into PR company 42West. She helped represent clients such as Tom Hanks, Noah Baumbach and Jonathan Demme.