Why I quit my job as Google’s Chief Decision Scientist

What’s it like to go from being Chief Decision Scientist at Google to being, well… just me?

Cassie Kozyrkov
8 min readOct 28, 2023

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Writing about personal things is unusual for me; most of my blogging has been an effort to make complicated technical concepts simple. But it’s Saturday, let’s celebrate! (By blogging instead of going outside, I guess?)

So long, Google, and thanks for all the fish!

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Cassie Kozyrkov

Chief Decision Scientist, Google. ❤️ Stats, ML/AI, data, puns, art, theatre, decision science. All views are my own. twitter.com/quaesita