Members of the public walk past luxury goods retailers on Old Bond Street on April 15, 2014 in London, England. A report by property advisers Colliers International has listed Old Bond Street as Europe's most expensive street with rents of £839 ($1,400) per square foot per year. (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.