Slack CEO Stewart Butterfield Isn’t Worried About Battling Chief Rival Microsoft

Corporate messaging service Slack has some advantages over its chief rival, Microsoft, despite Slack having fewer users, CEO Stewart Butterfield says. “It’s hard to maintain a real focus on quality, on user experience, and the bigger you get the harder it is,” Butterfield said in an interview at Fortune’s Brainstorm Tech conference in Aspen, Colo. […]

Slack’s Chairman Was Raised in a Log Cabin. Now He’s Worth $1.3 Billion

Canadian entrepreneur Stewart Butterfield helped found Slack Technologies Inc. after selling his earlier startup, Flickr, to Yahoo for more than $20 million. The latest venture is bringing a bigger windfall. His 8% stake in the workplace communication company would be worth $1.3 billion if Slack goes public this week at $16 billion, the low end […]