Christopher Isaac "Biz" Stone (born March 10, 1974) is an American entrepreneur who is the co-founder of 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 was returning to Twitter Inc. in an unannounced role.
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