Local employees stand outside the newly opened Al Maktoum International airport, the emirate's second airport in Dubai, on October 27, 2013. The new passenger terminal opened its doors for business following an official inauguration and welcome of the first commercial flight. (AFP/Getty Images)
Vicki Hollub will become the most influential woman in the oil and gas industry when she takes over as CEO of Occidental Petroleum in May. In a bleak period for the sector, how will the future boss of one of America’s biggest energy firms cope with the challenges ahead?