Tom Cibrowski, who had top roles at ABC News, has been named president and executive editor of CBS News. Cibrowski’s appointment follows the exit of Adrienne Roark, who announced last week that she was going to Tegna for a senior role.

The next potential leader of CBS News has built up a lot of experience running newsrooms for ABC. Tom Cibrowski, a former senior ABC News executive who played a big role in moving “Good Morning America” past NBC’s “Today” in the ratings last decade,

CBS News has hired a well-regarded TV veteran as its No. 2 executive — even as insiders speculate that the broadcast giant’s boss is on the way out. The Tiffany Network appointed former ABC News executive Tom Cibrowski to the role of president and executive editor of CBS News,