General Motors appoints Tracy O'Brien Publicity 16 Jan 200516 Jan 2005 WhatsappWhatsappPrintPDFXLinked-in Facebook More sharing options More sharing options Tracy O'Brien Publicity has been appointed by General Motors as a publicity partner to manage the media relations and build the image of all its car brands, which includes SAAB, Opel Astra, Corsa, Zafira, Meriva and Isuzu.
