Most Powerful Women

Marissa Mayer

  • 2020 Rank
    8
  • Company
    Yahoo
  • Title
    CEO and President
  • Age
    39
  • Industry
    Tech
Since Mayer took over in July 2012, she has spent almost $1.4 billion on 37 acquisitions. Yet Yahoo's sales fell 6% in 2013, dropping it from the Fortune 500. The bright spot: its 24% stake in Alibaba, the Chinese e-commerce giant that's slated to go public tomorrow.