MrBeast tapped a new studio leader after Corie Henson's departure

MrBeast, whose real name is Jimmy Donaldson, is entrusting his main YouTube channel to a close collaborator. Robert Kamau/GC Images MrBeast has found a new studio head to partly replace the exiting Corie Henson. Justin Killion comes from digital media, helping run an external production partner of the YouTuber. It's an interim role and more limited in scope than Henson's. MrBeast has found a partial replacement for outgoing studio head Corie Henson, two people with knowledge told Business…