If you (like me) are hearing about this for the first time, Bret Taylor is the co-founder.

> Bret is Co-Founder of Sierra. Most recently, he served as Co-CEO of Salesforce. Prior to Salesforce, Bret founded Quip and was CTO of Facebook. He started his career at Google, where he co-created Google Maps. Bret serves on the board of OpenAI.

The coauthor (and presumably cofounder) is Clay Bavor. He's a Google exec who was the face of their VR efforts when he was there.

can't believe Bret's bio doesn't mention friendfeed!

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