Bahija Jallal to replace Peter Greenleaf as head of MedImmune

MedImmune executive Bahija Jallal will be the new chief of the Gaithersburg biotech under a leadership shuffle by parent company AstraZeneca, a spokesman confirmed Wednesday. Current MedImmune President Peter Greenleaf will lead AstraZeneca's Latin American business.

Jallal, who joined MedImmune in 2006 as a vice president of translational sciences, has also been promoted to AstraZeneca's senior executive team, according to an announcement on Tuesday. That announcement, however, left unclear exactly…