A supporter of the Muslim Brotherhood and of ousted president Mohamed Morsi holds a poster of Morsi during a rally outside the Police Academy where his trial is taking place on November 4, 2013, in Cairo. Egypt's deposed Islamist president Mohamed Morsi went on trial in a Cairo courthouse over protester deaths, raising fears of new bloodshed four months after the army ousted him. (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.