Allergan plc announced that Wayne Swanton has been promoted to Executive Vice President, Global Operations following notification that Rob Stewart, Executive Vice President and Chief Operating Officer, intends to leave Allergan to become President and CEO of Amneal Pharmaceuticals in 2018.  Wayne Swanton will join Allergan's Executive Leadership Team and maintain responsibility for Global Manufacturing, Quality, Supply Chain, Procurement, Pharmaceutical Technology, Operational Excellence, Engineering, Environmental Health & Safety and Security.