15. Vivienne Cox
EVP, Gas, Power & Renewables, BP
2005 rank: 12
Multitasking is an understatement when it comes to BP's highest-ranking female executive. Cox, 47, not only oversees the energy titan's $29 billion gas, power, and renewables division but also presides over its supply-and-trading arm, which has 80% of BP's sales passing through it. Cox also competes in triathlons and is raising two daughters.
Call it the year of the Most Powerful Woman CEO. In fact the top seven positions on the 2006 list are held by chief executives.) (more)
Which corporate women raked it in - and how much did they earn? (more)