People gather outside a sales office of Dubai's Emaar Properties that provides information and allows customers to reserve properties as part of the architectural project 'Downtown Erbil' on October 27, 2013 in Arbil, the capital of the autonomous Kurdish region of northern Iraq. The 10-year project that aims to create the framework for a new city center that will support the growth of the city and the region will be realized by Emaar. (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.