FORTUNE's annual ranking of America's leading businesswomen

48 of 50
48. Lauren Zalaznick
Lauren Zalaznick
Chairman, NBCUniversal Entertainment & Digital Networks and Integrated Media
2011 rank: 43
Age: 49
Zalaznick oversees Bravo, Oxygen, and more. Opportunity lies in her Spanish-language network, Telemundo, which is on track to outpace competitor Univision in ad-sales growth. It has secured U.S. Spanish-language rights to the FIFA World Cup from 2015 to 2022.
From the October 8, 2012 issue
How we pick the Power 50
The list is compiled by FORTUNE editors, who consider four criteria: the size and importance of the woman's business in the global economy, the health and direction of the business, the arc of the woman's career (resume and runway ahead), and societal and cultural influence.