Christopher Isaac “Biz” Stone is a co-founder of Twitter, Obvious, Medium, and Jelly. 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.
Aside from Twitter, he was employed by Google from 2003 to 2005. He is also an angel investor and advisor in the startup community having backed companies in a diversity of industries such as Square, Slack, Medium, Nest, Beyond Meat, Pinterest, Intercom, and Faraday. Stone is a board director at Beyond Meat, Medium, Polaroid Swing, Workpop and Jelly Industries.