As noted, Mossery worked in Facebook for about 10 years. He began his career in the company from the position of designer, after which he was in charge of the social network news channel for a long time.
Previously, the creators of the social network Instagram Kevin Systrom and Mike Krieger confirmed that they are leaving the company.
They have been working on the service since 2010. About the reasons for his decision, Systre and Krieger were not informed, noting only that they were "ready for a new chapter in life."