Chris Cox, one of the first handful of engineers hired to Facebook, a close personal friend of Mark Zuckerberg’s and, until very recently, Chief Product Officer of the entire suite of the company’s products, is departing the company.

He’s joined on his way out the door by Chris Daniels, Vice President of WhatsApp.

Both began their current roles less than a year ago.

Notably, these high-level exits follow the exodus of WhatsApp founder Jan Koum in April, and Kevin Systrom and Mike Krieger—co-founders of Instagram—in September, all amid rumours the Facebook “family of apps” would pursue some sort of messaging amalgam that would join its userbases on the aforementioned apps to those on Facebook Messenger.

Those rumours were later confirmed by a lengthy post from Zuckerberg himself where he spun the roll-up as a chance to refocus his embattled and untrusted company on privacy.

It’s been speculated that these former heavyweights within the company were chafing under this change in direction.

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