The "Thought Leaders" campaign shows three of the school's top faculty members delivering their own solutions to some of the issues facing global businesses today.
The advertisements, which will run for four months from August 30, will appear on CNN in Europe, the Middle East and Africa and have a potential audience of more than 107m households.
It represents a four-fold increase in ads since the school first launched a TV campaign on CNN in 2003.
David Lane, the director of communications at the London Business School, said: "The CNN advertisements provide us with a great opportunity for global brand building."
Other plans for the alliance include a co-branded summit to take place on November 5 and CNN joining the school's corporate partnership programme.
Claudia Coles, the vice-president of public relations and marketing at CNN EMEA, said: "London Business School shares our international remit which makes it a highly relevant strategic partnership for us."
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