Twitter co-founder Evan Williams says Elon Musk’s purchase of the company made him ‘sad.’ ‘He’s brilliant. But no one’s brilliant on everything’

Evan Williams speaks onstage at the Vanity Fair New Establishment Summit at Yerba Buena Center for the Arts on October 7, 2015. (Credit: Michael Kovac—Getty Images for Vanity Fair)

Twitter co-founder Evan Williams seems pretty upset with how things are panning out at the company under new owner Elon Musk.

In his first interview since Musk took Twitter private in a landmark $44 billion deal, Williams told Bloomberg’s The Circuit with Emily Chang program that he originally believed the notion of Musk taking over Twitter was “interesting and fun.”