Women tech leaders: Susan Wojcicki – Susan Wojcicki is the chief executive of YouTube.
Women tech leaders: Sheryl Sandberg – Sheryl Sandberg is Facebook's chief operating officer, overseeing the social media mammoth's business operations -- which includes sales, marketing, business development, human resources, public policy and communications.
Women tech leaders: Marissa Mayer – Yahoo chief executive Marissa Mayer is a major figure in the tech industry. She started out at Google in 1999 as its first female engineer.
Women tech leaders: Ursula Burns – Starting as an intern in 1980, Ursula Burns is now chair of Xerox, a $23 billion global business with almost 140,000 employees.
Women tech leaders: Cher Wang – Cher Wang, is the co-founder and chairwoman of HTC Corporation, Taiwan's leading tech business.
Virginia M. Rometty is the chief executive officer and chairwoman of IBM.
Women tech leaders: Meg Whitman – Meg Whitman is the president and chief executive officer of Hewlett-Packard. She was previously the head of eBay.
Women tech leaders: Safra Catz – Safra Catz has been an executive at Oracle Corporation since April 1999, and a board member since 2001. She is now chief financial officer and co-president of the company.
Sandy Carter serves as IBM's worldwide general manager, ecosystem development and social business and is one of the key leaders responsible for setting the direction for IBM's social business initiative.
Women tech leaders: Angela Ahrendts – Angela Ahrendts served as chief executive of Burberry for many years. In October 2013, Apple announced that Ahrendts would join the company as a retail executive, overseeing the strategic direction, expansion and operation of both Apple retail and online stores.