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
Scott Dorsey stepped down as chief executive officer of Salesforce ExactTarget Marketing Cloud in May 2014. Dorsey was born in Northeast Ohio and grew up in Naperville, Illinois. He attended Indiana University and received a Bachelor's in Marketing from the Kelley School of Business. He later went on to receive his MBA from the Kellogg School of Management at Northwestern University in 1999. Dorsey, Baggott, and McCormick co-founded ExactTarget in late 2000. In 2004, ExactTarget raised $10.5 million from Insight Venture Partners and grew to $31.2 million in revenues by 2006 before filing to go public in December 2007. In May 2009,