Jack Dorsey is co - founder and CEO of Twitter and also the founder and CEO of Square which is a mobile payments company. He was born on 19th November 1976 at St. Louis of Missouri, United States. He was also served as President of global revenue and partnerships division at Twitter from 2010.Twitter has appointed Jack Dorsey as its permanent CEO for second time. Jack will replace Dick Costolo, who had resigned in June 2015 and served in this position for five years. Costolo will terminate to be chairman of the board of Twitter but will continue to serve as a member of the board. Earlier, Costolo was served as Twitter’s president and CEO from May 2007 to October 2008 He was also served as the Chairman of the board of members of Twitter from October 2008. Jack has also served on the board of directors of The Walt Disney Company. Adam Bain also appointed as Chief Operating Officer by Twitter.
He was entitled as one of the top 35 innovators at the MIT Technology Review TR35 in the world under the age of 35 in 2008. Square is used to accept debit and credit card payments on a mobile device which was released in May 2010.The Wall Street Journal honored him with the “Innovator of the Year Award” for technology in 2012.