Ahead of the Oscars, Declan speaks to Cineworld boss Steve Wiener.
BBC Radio 5 live
Hairdressing king Toni Mascolo of Toni&Guy tells how he snipped his way to success.
The boss of drinks giant Diageo tells Declan if we're still a nation of warm beer drinkers
The UK boss of Starbucks tells Declan why size matters when it comes to coffee mugs.