Jack Dorsey Jack Dorsey Jack Patrick Dorsey (born November 19, 1976) is an American computer programmer and Internet entrepreneur who is co-founder and CEO of Twitter, and founder and CEO of Square, a mobile payments company. Dorsey was born and raised in St. Louis, Missouri, the son of Marcia (née Smith) and Tim Dorsey. He is of English, Irish and Italian descent. His father worked for a company that developed mass spectrometers and his mother was a homemaker. He was raised Catholic, and his uncle is a Catholic priest in Cincinnati. He attended the Catholic Bishop DuBourg High School. In his younger
DeDe Dorsey and offense in successive seasons. In less than three seasons as a defensive player, Dorsey had seven career interceptions, returning four for touchdowns, and blocked seven field goals and nine punts. Dorsey signed with the Cincinnati Bengals as an undrafted free agent following the 2006 NFL Draft. He was waived prior to the start of the 2006 season. Dorsey was claimed off waivers by the Indianapolis Colts on September 3, 2006. He played in Super Bowl XLI for the Colts, helping them win, 29–17, against the Chicago Bears. The Colts waived Dorsey on September 1, 2007. On September 25, 2007,