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
Stephen Bernard Dorsey Stephen Bernard Dorsey Stephen Bernard Dorsey is a serial entrepreneur who founded several companies, two of which he built into international leaders among manufacturers of word processors. He currently is the CEO of babyTEL, an Internet Telephony Service Provider. Dorsey was born in Montreal, Quebec, Canada on July 10, 1937 and is a Massachusetts Institute of Technology-trained engineer. His son Dan Dorsey, as part of his preparation to film a video about his father, made a March 2017 visit to an exhibit at The Personal Computer Museum by curator Syd Bolton that focused on MICOM. In 1967, Dorsey founded AES