News Ltd CEO Kim Williams is having the biggest day of his career. The man's already launched a $1.97 billion takeover of James Packer's Consolidated Media Holdings and, after breaking for lunch, will tell staff about his plans for a major restructure of the business.

Kim Williams is the new boss of Rupert Murdoch's News Ltd. But we reckon playing second fiddle to Murdoch will be a tough gig for this one-time composer.

When The Power Index spoke with Kim Williams last week, he gave us absolutely no hint that Rupert Murdoch was about to crown him CEO of News Ltd and screw up our Digital Media Power List.