She paved a way for herself in male-dominated Silicon Valley, and now she's encouraging other women to join her. In the new PBS documentary Makers: Women Who Make America," Facebook COO Sheryl Sandberg talks about women, work and the will to lead.
From PepsiCo to Avon to Xerox, these women are responsible for some of the biggest companies and brands that consumers touch and feel everyday. And this year, there's a new No. 1 on Fortune's list of the most powerful women.