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Evan Williams

Co-founder, Twitter · United States

Evan Williams is the Co-founder of Twitter. Williams is based in the United States. Earlier roles include positions at Twitter.

Evan Clark Williams is an American internet entrepreneur. He is a co-founder of Twitter, and was its CEO from 2008 to 2010, and a member of its board from 2007 to 2019. He founded Blogger and Medium. In 2014, he co-founded the venture capital firm Obvious Ventures. As of May 2025, his net worth is estimated at US$2 billion, according to Forbes.

Recent developments

AI summary of recent coverage

Recent coverage has documented Evan Williams's evolving relationship with Twitter, from his early involvement as co-founder through his gradual exit from the platform beginning in 2018, when he divested a significant portion of his stake, followed by his departure from the company's board in 2019. Media attention has also focused on Williams's subsequent ventures and philanthropic interests, including his involvement with Medium and a newer social media startup called Mozi, as well as his charitable contributions to education. Broader retrospectives have examined Twitter's two-decade history alongside commentary on Williams's philosophy regarding technology and innovation.

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Our coverage

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Evan Williams: FAQ

Who is Evan Williams?
Evan Williams is the Co-founder of Twitter, based in United States.
Where did Evan Williams work previously?
Earlier roles include Twitter (CEO, until 2010).