Bloomberg the Company & Products

Bloomberg Anywhere Login


Connecting decision makers to a dynamic network of information, people and ideas, Bloomberg quickly and accurately delivers business and financial information, news and insight around the world.


Financial Products

Enterprise Products


Customer Support

  • Americas

    +1 212 318 2000

  • Europe, Middle East, & Africa

    +44 20 7330 7500

  • Asia Pacific

    +65 6212 1000


Industry Products

Media Services

Follow Us

Top 10 Longest-Serving Tech CEOs

By Bloomberg Rankings And Marcus Chan - 2014-02-06T23:21:06Z

Photograph by David Paul Morris/Bloomberg

Company Symbol % Change
8 of 13

5. John Chambers, Cisco Systems

Years as CEO:


Stock's annualized total return during tenure:


Reduced spending by customers and other changes in the networking equipment industry have complicated Chambers’s plans to leave his successor with a company on the upswing when he retires, which could happen as soon as this year.