Brooke Runnette has been named new president of National Geographic Television, taking on a job formerly held by Maryanne Culpepper, "whose exit was announced earlier this year," writes Tim Molloy. It's an in-house promotion for Runnette, previously National Geographic Channels' vice president of development and special projects. Before that she was an executive at Discovery, where her production of Shark Week in 2010 was the "the highest rated in the 23-year history of the annual event," writes Molloy.