The first person who sparked the idea of micro-blogging services, Jack Dorsey, returned to lead Twitter. Jack Dorsey as Twitter comes in the middle need rapid development in the midst of rising popularity and began commercial.
Although as co-founder along with Evan Williams and Biz Stone, over the past two years outside the management structure Dorsey Twitter. Finally he was CEO of Twitter in 2008 before being replaced Evan Williams. According to some sources, the two men have very different personalities and it will affect the models of leadership.
Dorsey will be appointed Executive Chairman, who is responsible for leading product development. He is directly responsible to the CEO now, Dick Costolo. Now it turns Evan Williams, who will leave its operational responsibilities on Twitter after the retreat from Twitter CEO in October last year. However, Williams would have sat on the board of directors and advising strategies.
During the two years left Twitter, Dorsey was time to establish new start-up company, Square. Companies that move to provide online transaction payment solutions via mobile devices will remain a priority for his personal business. On Twitter, she is also known as the first person who sends the first message the embryo of the micro-blogging service.