https://www.cnbc.com/2018/03/20/it-will-be-hard-to-remove-mark-zuckerberg-as-facebook-ceo-sonnenfeld.html >Facebook CEO Mark Zuckerberg is an "emperor for life" and therefore it will be hard to remove him from office, Yale management expert Jeffrey Sonnenfeld told CNBC on Tuesday. >"He's surely not going to voluntarily step down," Sonnenfeld said on "Closing Bell."