Mosseri joined Facebook as a product designer in 2008.[1] In 2009, Mosseri became a product design manager, and in 2012 became the design director for the company's mobile apps.[2][8] From 2012 to 2016, Mosseri oversaw Facebook's News Feed section, and from 2016 to May 2018 served as vice president of product for Facebook.[7][9][10] During his tenure at Facebook, he additionally oversaw Facebook Home, the company's unsuccessful attempt at bringing a mobile homescreen to Android devices.[11][12]