This document profiles four influential female leaders in digital media: Sheryl Sandberg of Facebook, Marissa Mayer of Yahoo, Jessica Lessin founder of The Information, and Oprah Winfrey founder of OWN Television Network. It provides biographical details on their careers and accomplishments, including Sandberg helping launch Google AdWords, Mayer spending 13 years at Google, Lessin launching a subscription tech news site, and Winfrey hosting a TV show for 25 seasons and founding her own network.