David Cameron

Jason Alden/Bloomberg

David Cameron

Leader, Conservative Party
Britain

Cameron has been to Davos before, but never with the kind of profile he now enjoys as the likely next Prime Minister of the United Kingdom. If current polls hold, his Conservative Party—known as the Tories—looks likely to beat the Labour Party headed by current Prime Minister Gordon Brown in national elections that must occur before mid-summer. That puts Cameron under an intense spotlight at Davos, where he will be meeting business and political leaders as the presumptive next British leader—but he certainly can't act that way, given that Brown could somehow pull out a surprise win.