Walking Dead

THE MAN who brought The Walking Dead to the world will help bring a once-slumping broadcast network back to life.

21st Century Fox Inc. hired Charlie Collier, one of the top programming executives in the TV business, to run its broadcast network and entertainment operations, according to a statement Friday. The change is part of a broader shake-up at Fox, which is selling most of its entertainment assets to Walt Disney Co. The broadcast network will be part of a spin-off that’s currently being called New Fox.

Collier has been serving as president of AMC Networks Inc.’s namesake cable channel, as well as its studio. The executive worked at AMC for more than a decade, overseeing its transition from an outpost for classic movies to a reliable provider of high-end dramas like Mad Men and Breaking Bad.

His move to Fox extends a round of musical chairs for US broadcasting. All four main US networks have announced changes in leadership in the past couple months. Dana Walden, the current co-chair of Fox, will go run ABC after the Disney deal, while Gary Newman, her co-chair, hasn’t announced his plans.

Collier will steer Fox through a turbulent time in the television business. Viewership of all live networks is in decline because people are watching more TV on-demand, or abandoning it altogether for streaming services Netflix and YouTube. Fox has suffered a particularly steep drop in viewers over the past few years. Once the most-watched network — thanks to the music competition American Idol — Fox was in the ratings cellar last year.

But the company has begun staging a comeback, helped by its