Christopher Isaac "Biz" Stone (born March 10, 1974) is a co-founder and Creative Director of Twitter, Inc and also helped to create and launch Xanga, Blogger, Odeo, and The Obvious Corporation, founded in June 2011 with his long time collaborators Evan Williams and Jason Goldman to focus on building systems that help people work together to improve the world. Stone currently serves as Chief Creative Officer at Obvious.