Saudi women arrive at a shopping mall in Riyadh on January 12, 2013. Saudi King Abdullah has appointed women for the first time to a top advisory body, with decrees published marking a breakthrough in a kingdom that imposes stringent restrictions on females. (AFP/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.