Sheryl Sandberg, chief operating officer of Facebook, topped the ranking. She is also the first female member of Facebook's board of directors. Here are some of the world's most powerful women in tech, according to Forbes 2014 list.
Virginia Rometty is the chief executive of IBM. Starting as a systems engineer at IBM in 1981, Rometty demonstrated her business insights and leadership capacity, and established herself as the first woman to lead the company, says Forbes.
Meg Whitman is the chief executive of Hewlett-Packard. Before joining HP, she served as CEO of eBay for 10 years and was also a director of P&G and Zipcar.
Ursula Burns is the chairman and CEO of Xerox. In July 2009, she was named CEO, succeeding the former chairwoman Anne Mulcahy. (Photo credit: xerox.com)
Safra Catz is the CFO of Oracle Corp. She started her career at Oracle in 1999 and soon became a member of the board, and later she was named president in early 2004.
