Fahad bin Mohammed al-Attiyah, Chairman of the Sub-Committee of the Organization of the United Nations (UN) Conference on climate change, gives a press conference following the second day of the UN conference in Doha on November 27, 2012. Nearly 200 world nations attended the talks to review commitments to cutting climate-altering greenhouse gas emissions. (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.