In this photo illustration, pound coins are placed on a Union Jack flag on August 20, 2014 in Glasgow, Scotland. First Minister Alex Salmond's, chief economic adviser has insisted Scotland has viable options for its currency if there is a yes vote in the independence referendum on September the18th. (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.