Co-Founder of Twitter
Christopher Isaac "Biz" Stone (born March 10, 1974) is an American entrepreneur who co-founded Twitter, among other Internet-based services. His first startup was Xanga in 1999. Stone co-founded his latest venture, 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 is Jelly’s CEO. On May 16, 2017, Biz Stone announced he is returning to Twitter Inc. in an unannounced role.