Former US vice president Al Gore speaks at the World Economic Forum in Davos, Switzerland. Michel Euler / AP Photo
International Monetary Fund managing director Christine Lagarde speaks during the second day of the World Economic Forum. Fabrice Coffrini / AFP
Arif Naqvi, founder and group chief executive of Abraaj Group, at the World Economic Forum in Davos. Greg Beadle / World Economic Forum
Participants join a guided holographic scientific exploration at the World Economic Forum in Davos. Walter Duerst / World Economic Forum
Above, a performance installation at the World Economic Forum, where participants become victims of conflict and have to support the conditions of it. Pierre Abensur / World Economic Forum
Above, a performance at the World Economic Forum where participants become victims of conflict and have to support the conditions of it. Pierre Abensur / World Economic Forum
Alain Bejjani, chief executive of Majid Al Futtaim, at the World Economic Forum in Davos. Manuel Lopez / World Economic Forum
Mukesh Ambani, chairman and managing director of Reliance Industries, at the Preparing for the Fourth Industrial Revolution session at the World Economic Forum. Valeriano Di Domenico / World Economic Forum
Chinese president Xi Jinping, left, WEF founder and executive chairman greet each other at the World Economic Forum annual meeting.Ciaran McCrickard / World Economic Forum
Satya Nadella, the chief executive of Microsoft, speaks at the World Economic Forum in Davos. Greg Beadle / World Economic Forum
Outgoing US secretary of state Joh Kerry speaks at the World Economic Forum. Greg Beadle / World Economic Forum
Michael Oppenheimer, the Albert G Milbank professor of Geosciences and International Affairs in the Woodrow Wilson School of Public and International Affairs and the Department of Geosciences at Princeton University, speaks at the World Economic Forum in Davos. Manuel Lopez / World Economic Forum
American actor Matt Damon, co-founder of water.org, speaks at the World Economic Forum in Davos. Boris Baldinger / World Economic Forum
Raheel Sharif, former chief of army staff of Pakistan, speaks at the World Economic Forum in Davos. Sandra Blaser / World Economic Forum
American actor Forest Whitaker, who is also a social activist and sustainable development goals advocate, a the World Economic Forum in Davos. Jakob Polacsek / World Economic Forum
Above, a panel discussion at the World Economic Forum in Davos. Sandra Blaser / World Economic Forum
The ski resort of Davos is seen at sun rise on the the second day of the World Economic Forum. Fabrice Coffrini / AFP
The World Economic Forum opened on Tuesday in Davos, Switzerland with some 3,000 of the global thought leaders in attendance. Find out some of the business and political heavyweights speaking at the five-day gathering.