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Facebook's Loss of Product Chief Puts More Pressure on CEO Mark Zuckerberg

Facebook's Loss of Product Chief Puts More Pressure on CEO Mark Zuckerberg

The move comes with Facebook struggling to cope with investigations and complaints over data protection and privacy, and after Zuckerberg's announcement last week of a new focus for the platform.

Cox worked on some of Facebook's key products, including the social network's News Feed, and led the product and design teams.

"Most all my personal highs and lows of the last decade have been tied up in the journey of this company, with Mark, and with so many of you", Cox wrote in a post.

In his blog post, Zuckerberg said that Cox had told him several years ago that he planned to move on, but that Cox chose to hold off on leaving until the company made more progress combating misinformation and Russian interference - controversies that erupted in the wake of the 2016 election. Facebook's chief product officer, Chris Cox, and Chris Daniels, who heads the messaging app WhatsApp, are departing.

In his blog post, Zuckerberg said that Cox had told him that he planned to move on several years ago, but that Cox chose to hold off on leaving until the company made more progress combating misinformation and Russian meddling - controversies that erupted in the wake of the 2016 election.

The company does not immediately plan to fill Cox's role, Zuckerberg said, adding that Cathcart, Simo and the heads of Instagram and Messenger will now report directly to him.

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Zuckerberg's statement indicated that Cox had been looking to move on from Facebook for some time, but that he stayed on longer to meet some crucial company needs.

SEE ALSO: Facebook's former chief security officer compares company to 'The Matrix.' Whoa. Daniels is leaving less than a year after WhatsApp founder Jan Koum resigned in an apparent dispute with Zuckerberg over the future direction of the widely used messaging service. Chris Cox was responsible for Facebook's flagship apps - including WhatsApp, Instagram, and Facebook itself.

Facebook isn't hiring another executive to replace Cox.

Facebook is the largest social network in the world, with 2.3 billion monthly active users.

Founding executives of Facebook-owned Instagram and WhatsApp have also recently left the company. In a memo to employees, Zuckerberg suggested the events were linked.