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
Evan Spiegel Evan Spiegel Evan Thomas Spiegel (born June 4, 1990) is the co-founder and CEO of the American multinational technology and social media company Snap Inc., which he created (as Snapchat Inc.) with Bobby Murphy and Reggie Brown while they were students at Stanford University. Spiegel was named the youngest billionaire in the world in 2015. Evan was born in Los Angeles, California, to John W Spiegel and Melissa Ann Thomas, both lawyers. Spiegel grew up in Pacific Palisades, California, where he was raised Episcopalian. He was educated at the Crossroads School for Arts and Sciences in Santa Monica, and attended