US Secretary of State John Kerry (L) shakes hands with Egyptian Foreign Minister Mohamed K. Amr during a meeting at the Egyptian Foreign Ministry on March 2, 2013 in Cairo, Egypt. Secretary of State Kerry is visiting Egypt for two days during an eleven country tour of Europe and the Middle East, marking the first overseas trip by Kerry since assuming the role of Secretary of State. (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.