Twitter co-founder Evan Williams to step down from the board

HIGHLIGHTS

• Twitter co-founder and former CEO Evan Williams will step down from the board of directors, announced the company on Friday
• "It's been an incredible 13 years, and I'm proud of what Twitter has accomplished during my time with the company. I will continue rooting for the team as I focus my time on other projects," Williams told in a statement

According to a new filing with the Securities and Exchange Commission, Twitter co-founder Evan Williams, who’s currently CEO of publishing platform Medium, is stepping down from Twitter’s board. Williams will officially depart at the end of the month.

“It’s been an incredible 13 years, and I’m proud of what Twitter has accomplished during my time with the company,” Williams said in a statement from the filing. “I will continue rooting for the team as I focus my time on other projects.”

In 2007 Williams co-founded Twitter along with Jack Dorsey and Biz Stone after the social network spun out from other projects that the group worked on together at podcasting company Odeo. In 2008, Williams became the CEO of Twitter, replacing Dorsey, and was later replaced in 2010 by Dick Costolo. Williams has served on Twitter’s board from the beginning, on the whole for 12 years.

Soon after news broke, Williams sent out a tweet thanking his colleagues. “Thank you, @jack and @biz for starting this crazy company with me—and continuing to make it better and better. And to my fellow board members, new and old—some of the most thoughtful people I’ve ever known,” he said. “I’m very lucky to have served on the @Twitter board for 12 years (ever since there was a board). It’s been overwhelmingly interesting, educational—and, at times, challenging.”

Twitter did not respond to a request for comment.