7 Thompson named Virginia Moseley, whom network insiders called a “tyrant,” as executive editor of CNN. 7 New CNN CEO Mark Thompson said he plans to pump up the network’s digital strategy and create a multimedia newsroom. WIktor Szymanowicz/NurPhoto/ShutterstockInsiders noted that Moseley has strong relationships with Thompson and Leavy, the powerful consigliere of David Zaslav, the CEO of CNN-parent Warner Bros Discovery. Like other cable execs, Thompson is grappling with the network’s linear TV ratings erosion, as younger viewers turn to streaming. 7 Warner Bros Discovery CEO David Zaslav appointed Thompson as CEO late last year, following Licht’s exit.