British Prime Minister David Cameron (L) walks with Pakistani Prime Minister Nawaz Sharif at the Prime Minister's house on June 30, 2013 in Islamabad, Pakistan. Cameron visited Pakistan following his unannounced trip to Afghanistan where he visited troops in Helmand province as the NATO military coalition hands responsibility over to local forces. (Getty Images)
From underwater mining to luxury yachts, Mohammed Al Barwani has interests in a staggering range of industries. The chairman of MB Holding explains how he built the firm from scratch to become a billion-dollar player.