Fortune names 50 most powerful businesswomen
Topping the list is IBM Chairman, President and CEO, Ginni Rometty. Fortune highlights her initiatives to push IBM into underserved markets, such as Africa, and for making moves to commercialize the Jeopardy-playing supercomputer Watson.
See Fortune's full list here.
Read more: Fortune reveals top women in business
#2 Indra Nooyi
Chairman and CEO - PepsiCoNooyi leads the largest food and beverage company in the United States, which includes 22 billion-dollar brands.
#3 Ellen Kullman
Chairman and CEO - DuPontDuPont's stock has more than doubled since Kullman took the reins.
#4 Marillyn A. Hewson
CEO and President - Lockheed MartinDespite federal budget cuts, profits and market value have gone up at Lockheed Martin since Hewson became CEO last January.
#5 Sheryl Sandberg
COO - FacebookBesides drastically improving Facebook's mobile revenues, Sandberg has become a household name promoting her bestselling book, and now movement, "Lean In."
#6 Irene Rosenfeld
Chairman and CEO - Mondelez InternationalAs head of Mondelez, formerly Kraft's global snacking business, Rosenfeld has helped recent quarterly earnings beat expectations.
#7 Patricia Woertz
Chairman, President and CEO - Archer Daniels MidlandUnder Woertz's leadership, the agricultural company's stock rose 45 percent in the last year.
#8 Marissa Mayer
President and CEO - YahooYahoo's stock has risen 111 percent in the past year under Mayer.
#9 Meg Whitman
CEO - HPDespite major struggles for HP in a shrinking PC market, Whitman has helped the company stock to grow 47 percent this year.
#10 Abigail Johnson
President - FMR (Fidelity Investments)Johnson, the daughter of 83-year-old CEO Edward C. Johnson III, now oversees all of Fidelity's businesses.
To see the Fortune's full list of the 50 most powerful women in business, click here.