The players at Twitter

Meet the cast of characters behind the micro-blogging machine.

1 of 4
BACKNEXT
Jack Dorsey
Age: 34

Title: Co-founder and executive chairman, Twitter; founder and CEO, Square; board member at both companies

Dorsey invented Twitter and was its first CEO. He returned as product guru in March.


NEXT: Evan Williams
Last updated April 14 2011: 5:14 AM ET
Kevin Rose, the founder and former CEO of Digg, says he won't spend Milk Inc.'s VC money keeping bad products on life support. More
Fans! Likes! Followers! The social site was supposed to be the Holy Grail for corporate marketers, but the search for that mythic chalice may still be on. More
The Mint.com founder now runs a big part of Intuit and invests in startups on the side. Here, his take on Jack Dorsey's Square and the one investment on which he's glad to take a pass. More

Most stock quote data provided by BATS. Market indices are shown in real time, except for the DJIA, which is delayed by two minutes. All times are ET. Disclaimer.

Morningstar: © 2014 Morningstar, Inc. All Rights Reserved.

Factset: FactSet Research Systems Inc. 2014. All rights reserved.

Chicago Mercantile Association: Certain market data is the property of Chicago Mercantile Exchange Inc. and its licensors. All rights reserved.

Dow Jones: The Dow Jones branded indices are proprietary to and are calculated, distributed and marketed by DJI Opco, a subsidiary of S&P Dow Jones Indices LLC and have been licensed for use to S&P Opco, LLC and CNN. Standard & Poor's and S&P are registered trademarks of Standard & Poor’s Financial Services LLC and Dow Jones is a registered trademark of Dow Jones Trademark Holdings LLC. All content of the Dow Jones branded indices © S&P Dow Jones Indices LLC 2014 and/or its affiliates.