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Biz Stone and Evan Williams  

Co-Founders, Twitter

Christopher "Biz" Stone is an American entrepreneur who co-founded Twitter, among other Internet-based services. Biz was the creative director at Xanga from 1999-2001. Stone co-founded Jelly, with Ben Finkel. Jelly was launched in 2014 and is described as a new kind of search engine with the core assumption that for every question there is a person with the answer. Stone was Jelly’s CEO until its acquisition by Pinterest in 2017. On May 16, 2017, Biz Stone announced he is returning to Twitter Inc. in an unannounced role.

Evan Williams is an American computer programmer and Internet entrepreneur who has founded several Internet companies. Williams was previously chairman and CEO of Twitter, one of the top ten websites on the Internet. He also founded Blogger and Medium, two of the largest and most notable blog distribution websites.

Their microblogging service has amassed 21 over million monthly unique U.S. visitors in under four years. It became so critical to the dissemination of news during elections in Iran that the U.S. government asked Twitter to postpone a scheduled upgrade.

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