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.