Roll Call: CBS Interactive, Porter Novelli and Hornall Anderson

Christine Castro has been named senior vice president, communications, for CBS Interactive. In her new roll, Castro will oversee all global external and internal communications and public relations efforts for CBS Interactive and its portfolio of digital brands, including CBS.com, CBSNews.com, CBSSports.com, CNET, GameSpot, and TV.com. Castro will work with the general managers of each property to plan public relations and communications strategies in support of their business objectives and will work with CBS Interactive management and CBS communications leadership focusing on the public, the media and the investment community.