Jack Dorsey has stepped down as the CEO of Twitter, a company he co-founded 15 years ago. Companies are often associated with their founders, and in Silicon Valley, having a smart, charismatic founder can be the difference between getting off the ground at all, or not. But in his note announcing his departure, Dorsey said it’s critical for companies to stand on their own, free of their founder’s influence. Marketplace’s Kimberly Adams speaks with Sarah Kunst, general partner at the venture firm Cleo Capital, about what challenges lie ahead for Dorsey’s replacement as CEO, Parag Agrawal.


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