Evan Williams

person

American technology entrepreneur

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.