'''Jack Dorsey''' (b. November 19, 1976 - ) from St. Louis, [[Missouri]], is an American software architect and businessman, best known as the chairman and Co-Founder of [[Twitter]] (associated with Biz Stone and Evan Williams). | '''Jack Dorsey''' (b. November 19, 1976 - ) from St. Louis, [[Missouri]], is an American software architect and businessman, best known as the chairman and Co-Founder of [[Twitter]] (associated with Biz Stone and Evan Williams). |