Eurasia Group President Ian Bremner and Stefano Aversa, co-president at Alix Partners, discuss market uncertainty ahead of David Cameron's speech on Friday, plus Italy's political future.

William Browder, CEO and co-founder of Hermitage Capital Management, says Russian Prime Minister Dmitry Medvedev's speech at the World Economic Forum was divorced from reality, and advises investors to avoid the country.

Wong Wai Ming, chief financial officer at Lenovo, says use of the personal computer is not in decline but actually growing in some sectors.

Pascal Lamy, director general of the World Trade Organization, says he is concerned about the advent of protectionism.

Nariman Behravesh, chief economist at IHS, tells CNBC why he's positive about the U.S. economy in 2013, despite political uncertainty.

CNBC goes behind the scenes at Davos with Maria Bartiromo as the World Economic Forum gets underway.

Xin Zhang, CEO of SOHO China, Beijing's largest property developer, tells CNBC that the period of intense mass urbanization for China is coming to an end but high demand for office space remains.

Ken Frazier, CEO of Merck, tells CNBC about the challenges of finding new blockbuster drugs and how any change to Medicare funding must have a sustainable benefit.

David M Rubenstein, co-founder and CEO of Carlyle Group, tells CNBC that Europe is looking attractive again for private equity deals as the prices have been beaten down so much it is like the 'largest emerging market in the world'.

CNBC's Maria Bartiromo brings you highlights from the Davos banking debate, as six leading CEOs discuss the state of the financial sector and its significance to the global economy.

Fu Jun, executive dean of Peking University tells CNBC that there are questions about the demand side of growth in China.

Hamish Tyrwhitt, CEO of Leighton Holdings, Australia's largest construction company, tells CNBC that the demand for volume in mining remains and they see a doubling of energy demand over the next decade.

Stephen King, group chief economist at HSBC, tells CNBC that UK trade links with Europe have grown enormously over the last twenty five years in contrast to countries in the emerging world.

NBC'S Jim Maceda reports live from Tel Aviv on the Israel elections where the country's right wing and center-left parties have won an equal share of the seats in parliament.

Arif M.Naqvi, founder and group chief executive at Abraaj Group, tells CNBC that all of the global growth will come from new markets and they are particularly excited by Africa and South East Asia.

CNBC's Geoff Cutmore has been gathering opinions from CEOs at Davos, who expect 2013 to be another tough year with Europe being singled out as a problem.

Joe Jimenez, CEO of Novartis, tells CNBC that 2012 was a transition year for Novartis with 17 major drug approvals.

Nils Smedegaard Andersen, group CEO at A.P. Moller - Maersk, tells CNBC that they see a gradual stabilization in Europe with the poltical tendencies going in the right direction.

Jim Hagemann Snabe, co-CEO of SAP AG, tells CNBC that they see a lot of opportunity and momentum around their new innovations.

Philip Jennings, general secretary at UNI Global Union and John Studzinski, senior managing director at Blackstone Group, debate how to 'fix' the 'bleak' employment situation.