Chris Cox, who left Facebook over a year ago amid disagreements with CEO Mark Zuckerberg, said Thursday that he's returning to the social network as chief product officer.
"Facebook and our products have never been more relevant to our future. It's the place I know best, it's a place I've helped to build, and it's the best place for me to roll up my sleeves and dig in to help," he said in a post on Facebook announcing his return.
For more like this
Subscribe to the CNET Now newsletter for our editors' picks for the most important stories of the day.
Cox was at Facebook for 13 years before he left in 2019. During his time at the company, he's worked on the social network's News Feed and other key products. He led the product and design teams and also built Facebook's first human resources teams.
But Cox also butted heads with Zuckerberg over plans to integrate Facebook's messaging apps and encrypt messages from Instagram and Messenger by default. There have been concerns that encrypting the services could make it harder for law enforcement to find online child sexual abuse. At the Wired conference after his departure, Cox said he and Zuckerberg "saw things a little bit differently." Cox, though, said he also left because he wanted to do something outside of social media after 13 years at the company.
During his time away from Facebook, Cox became an advisor to Acronym, a progressive nonprofit. He also said in the post that last year he worked on climate change initiatives, played with his reggae band, and spent time with his kids and friends.
"In the past month the world has grown more chaotic and unstable, which has only given me more resolve to help out. Our most important decisions and products are ahead of us.," Cox said in the post. He's resumes his role at Facebook on June 22.
Cox's return to Facebook comes at a tense time for the company. Employees have criticized Zuckerberg for not fact-checking ads and posts from politicians and for leaving up posts by President Donald Trump that they say could incite violence. Cox said last year at the Wired conference that "Trump should not be our president" because he won't help with climate change. A source close to Facebook said that staff were pleased that Cox was returning.
Cox said in his post that he was encouraged by the progress Facebook made on some of the "biggest issues facing us." Facebook has been rolling out new tools including an online hub to direct people to more trustworthy coronavirus information. Zuckerberg said last week that it was reviewing its policies including rules around inciting violence.
"I'm really excited Chris is coming back to Facebook!," Zuckerberg said in a post about Cox's return.
Facebook has faced a string of executive departures as it's weathered a number of scandals, including over user privacy. Oculus co-founder and former CEO Brendan Iribe, Instagram co-founders Kevin Systrom and Mike Krieger, WhatsApp's Brian Acton and Jan Koum, and Oculus co-founder Palmer Luckey have all left the company. None of the other employees have returned.
Comments Mobile Tech Industry Notification on Notification off Facebook