Twitter co-founder Ev Williams has stepped down from the $24 billion company's board (TWTR)

Twitter cofounder and former CEO Evan Williams will step down from the public company's board of directors, the company announced Friday.
Williams, who is CEO of Medium, said he stepped down from Twitter's board to pursue other projects.
He ran the company as CEO from 2008 to 2011 after reportedly leading a coup against then-and-now CEO Jack Dorsey.Evan Williams, who ran Twitter as CEO for two years before founding and running Medium, has stepped down from Twitter's board of directors after 13 y