Bahraini protestors wave their national flag during an anti-government rally to demand reforms on March 19, 2013 in the village of Belad al-Qadeem, in a suburb of Manama. Sunni-ruled Shiite-majority Bahrain has seen two years of political unrest linked to opposition demands for a constitutional monarchy that has killed at least 80 people, according to human rights watchdogs. (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.