Coming on the heels of the shakeup in the upper ranks at National Geographic Channels comes word of expanded roles for three top Nat Geo execs, Brooke Runnette, Declan Moore and Chris Johns. In her new role, Nat Geo TV President Runnette will take on expanded production responsibilities, overseeing all video, television and film production for the Society, from short form to giant screen, working closely with Moore and Johns, CEO and President Gary Knell announced today. Johns will oversee the print and digital expression of National Geographic’s editorial content across platforms. He will be responsible for National Geographic magazine, News, Books, Traveler magazine, Maps and all digital content with the exception of National Geographic Kids. Johns will continue to report to Moore, who has been named chief media officer for the Society. As part of the reorganizion, Susan Goldberg, Executive Editor of News and Features, has been promoted to editor in chief of National Geographic magazine and News. Runnette was previously an executive producer and director of development for special projects at Discovery Communications. Before joining Discovery, Runnette was a producer at ABC News’ Nightline, and also produced for Frontline, for CBS’ 60 Minutes II and for Peter Jennings at ABC News.