Jack Dorsey days, Dorsey worked occasionally as a fashion model. By age fourteen, Dorsey had become interested in dispatch routing. Some of the open-source software he created in the area of dispatch logistics is still used by many taxi cab companies. Dorsey attended the University of Missouri–Rolla for two-plus years (1995–1997) before transferring to New York University, but he dropped out in 1999, one semester short of graduating. He first came up with the idea that he developed as Twitter while studying at New York University. While working on dispatching as a programmer, Dorsey moved to California. In 2000, Dorsey started his
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