Oil man at the helm

BHP Billiton has named Andrew Mackenzie as its new chief executive, replacing Marius Kloppers. Although Mr Kloppers is likely to be remembered for his failed acquisitions, BHP Billiton outperformed its peers under his tenure. Lex's Stuart Kirk and Vincent Boland consider whether Mr Mackenzie, an oil specialist, will change the company's focus and whether he can match his predecessor's record on shareholder returns.