The world’s elite meets at Davos

Marissa Mayer, Chief Executive Officer of Yahoo and Co-Chair of the World Economic Forum Annual Meeting (WEF) 2014, smiles during a session at the annual WEF meeting in Davos January 22, 2014.

Marissa Mayer, Chief Executive Officer of Yahoo and Co-Chair of the World Economic Forum Annual Meeting (WEF) 2014, smiles during a session at the annual WEF meeting in Davos January 22, 2014.

Japan's Prime Minister Shinzo Abe arrives at the annual meeting of the World Economic Forum (WEF) in Davos January 22, 2014.

Aliko Dangote, president and CEO of Dangote Group.

John T. Chambers, Chairman and Chief Executive Officer of Cisco, speaks during a session at the annual meeting of the World Economic Forum (WEF) in Davos January 22, 2014.

Ghana's President John Dramani Mahama is pictured in this file photo.

Nigeria's President Goodluck Jonathan speaks during a session at the annual meeting of the World Economic Forum (WEF) in Davos January 22, 2014.

Julian Roberts, Group Chief Executive of Old Mutual smiles during a session at the annual meeting of the World Economic Forum (WEF) in Davos January 22, 2014.

President of South Korea Park Geun-hye speaks during a session at the annual meeting of the World Economic Forum (WEF) in Davos January 22, 2014.