Jack Dorsey

Timeline created by Jordan Colby
  • Attends Missouri University of Science and Technology

    Attends Missouri University of Science and Technology
    Jack enters his first year at Missouri University of Science and Technology.
  • Unveils his first website

    Unveils his first website
    His company is used by dispatch couriers, taxis, and emergency services.
  • Drops out of NYU

    Drops out of NYU
    Jack drops out of New York University to pursue his dispatch software company
  • World's first Tweet

    World's first Tweet
    Jack posts the world's first Tweet.
  • Top innovator of 2008

    Top innovator of 2008
    Named one of the top innovators of the world under 35.
  • Jack becomes chairman of the board

    Jack becomes chairman of the board
    Evan Williams takes the role of CEO and Jack moves over to chairman of the board.
  • 105 million users

    105 million users
    Twiiter hits 105 million users who, collectivly, post 55 million times a day
  • Square

    Square
    Jack launches Square, an electronic payment service. Square allows users to accept credit cards through their mobile phones.
  • #392/400 Forbes

    #392/400 Forbes
    Jack takes the spot of 392 out of 400 on the Forbes 400 list.