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No I didn’t. He is functionally irrelevant at Meta and he doesn’t actually lead anything.

Weird, Meta says it's their Chief AI Scientist [1].

But maybe they're wrong ...

You really don't understand that what is advertised on a "people" page can be different from what the person actually does?

FYI if you worked at FB you could pull up his WP and see he does absolutely nothing all day except link to arxiv.

Cool. So what does a chief AI scientist do?

ideally lead AI science, but in reality mostly pontificate on social media. One could say that is fitting for Meta though right?

So be a mascot.