Guy Wolf, global head of market analytics at Marex Spectron, tells CNBC that the demand environment generally for gas is on the wane.

Mats Granryd, CEO of Tele2, tells CNBC that they have sustainable growth in the Swedish market despite it being a very mature market.

Erik Nielsen, Global Chief Economist at UniCredit, tells CNBC that the corruption allegations engulfing the Spanish government won't have much of an effect on the markets.

As many governments struggle to provide quality in the classroom, global private education provider GEMS is looking to expand aggressively. The firm's chairman, Sunny Varkey, outlines the long-term goals and explains why making profit from running schools is not a bad thing.

Dubai-based GEMS Education plans to invest up to $1 billion over the next five years as it seeks to secure a larger market share. Chairman Sunny Varkey argues that swings in the global economy do not affect his business, and reveals when he expects an IPO.

Charles Taylor, marketing professor at Villanove School of Business, on the latest Super Bowl ad trends, and whether airing no ads during the power outage was right.

Michael Browne, fund manager at Martin Currie, commenting on banking regulation, ahead of Osborne's plan to "electrify ringfence" for UK banks.

Tina Fordham, senior political analyst at Citi, says the U.S. is moving beyond fiscal "cliff" to fiscal "triangle", as Citi raises 2013 U.S. GDP.

Bob Parker, senior advisor at Credit Suisse, tells CNBC that there is a risk of a short-term consolidation in the markets which markets may be ignoring.

Nathaniel Rothschild, founder of NR Investments, tells CNBC that he has no personal agenda whatsoever and his only interest is recovering the money that minority shareholders lost at Bumi.

Steve Sedgwick takes you through the European market open, where stocks are edging higher.

Silvia Wadhwa reports from Berlin on the political situation in Spain ahead of a meeting between Angela Merkel and Mariano Rajoy.

Boris Collardi, CEO at Julius Baer, tells CNBC that January has been a pretty decent month and if it continues they are in for a very decent year.

James Hogan, CEO at Abu Dhabi's Etihad airways, tells CNBC that India is a huge market with considerable opportunity for long-haul travel and one Etihad is keen to enter into.

Sandy Jadeja, chief technical analyst at City Index, takes a technical view on the FTSE100, Dow Jones Industrial average and the NYMEX crude oil.

David Haigh, CEO at Brand Finance, says UK banks lost $1.5 billion brand value on the money laundering and Libor scandals.

European shares inched up on Friday, as investors took advantage of the past two sessions' losses to snap up equities more cheaply, reassured by a run of solid data from China, Europe and the United States.

Bill Blain, senior fixed income broker at Mint Partners, says the euro zone crisis will kick off again.

Jim Cooper, executive editor at AdWeek, tells CNBC why the Super Bowl is such an important place for advertisers.

Jason Gammel, head of European oil at Macquarie, tells CNBC why a combination of factors offsetting each other mean Brent oil prices will be very company specific.