Jeff left to become new CEO of NBC Worldwide . Zucker is a news and programming veteran who rose to head of NBC Universal . While producer of NBC 's ` ` Today '' show , helped make it No . 1 . Zucker is ` ` passionate '' about politics .
Jeff Zucker to become new head of CNN Worldwide . Zucker is a news and programming veteran who rose to head of NBC Universal . While producer of NBC 's `` Today '' show , helped make it No . 1 . Zucker is `` passionate '' about journalism .