In May 2018, Mosseri was named Instagram's vice president of product.[14] On October 1, 2018, Facebook announced that Mosseri would assume as the new head of Instagram,[15] following the resignation of the photo-sharing app's founders Kevin Systrom and Mike Krieger in September 2018.[3] Mosseri's title as head of Instagram differs from the title of former leadership as CEO as Facebook reserves CEO titles for company founders.[16][17][18] As company head, Mosseri is expected to hire a new executive team and oversee "all functions of the business".[19]