Mariana Gheorghe
MPW international mariana gheorghe
MPW global rank: 32
Company: OMV Petrom

Gheorghe became CEO of OMV Petrom, two years after its privatization, and she took aim at modernizing southeastern Europe's largest oil and gas producer. Under her watch the company has grown by every metric, delivering stellar results: Sales of $5.6 billion were up 27% in 2011 and profits jumped almost 80% to $1.2 billion. This year she hammered a deal with ExxonMobil for deep-sea exploration of hydrocarbons in the Romanian share of the Black Sea.

  @FortuneMagazine - Last updated September 21 2012 01:20 PM ET
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