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
Tommy Dorsey 1940, Dorsey hired singer Frank Sinatra from bandleader Harry James. Frank Sinatra made eighty recordings from 1940 to 1942 with the Dorsey band. Two of those eighty songs are "In the Blue of Evening" and "This Love of Mine". Frank Sinatra achieved his first great success as a vocalist in the Dorsey band and claimed he learned breath control from watching Dorsey play trombone. In turn, Dorsey said his trombone style was heavily influenced by that of Jack Teagarden. Among Dorsey's staff of arrangers was Axel Stordahl who arranged for Frank Sinatra in his Columbia and Capitol years. Another member