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Stewart Butterfield

Co-founder & CEO

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Stewart Butterfield is the co-founder and CEO of Slack, the overwhelmingly popular team messaging application. Before that, he was the co-founder and CEO of Flickr, which grew out of his initial work with social game networks.

“A piece of advice I’d give my younger self: Concentrate on the storytelling, on convincing people. If you can’t do that, it doesn’t matter how good the product is.”