US Actress Mia Farrow (L), a UNICEF goodwill ambassador, visits Syrian refugees in Baalbek, in the Lebanese Bekaa valley on January 15, 2013. Farrow is on a two day visit to Lebanon, meeting Syrian refugees. (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.