Marissa Mayer

Benjamin Wachenje

Title: President and CEO, Yahoo

Born: May 30, 1975, Wausau, Wisconsin

Education: BS in symbolic systems, MS in computer science, Stanford University

Early Marker: Joined Google as employee #20 and first female engineer

Big Idea: Arrived from Google after a pivotal 13 years there to turn around flailing Yahoo, which she is starting to do with a strategy of buying start-ups, streamlining existing product lines, and bulking up engineering to create new applications to offset a declining share of the search market and the eroding margins in its ad revenues.

Wave of the Future: M-economy, App-economy

Latest Special Reports

  • CNBC Changemakers

    CNBC Changemakers: Women Transforming Business is an annual list spotlighting women whose accomplishments have left an indelible mark on the business world.

  • Geoff Cutmore, Steve Sedgwick and Karen Tso lead you into the open of the European markets.

  • The Just 100 is an annual ranking of America’s largest publicly traded companies on issues that define 'just' business behavior and reflect the priorities of the American public, produced in partnership with research nonprofit Just Capital.

CNBC25: Rebels, Icons and Leaders