AmerisourceBergen Corporation (NYSE:ABC) today announced that Robert P. Mauch, 48, PharmD, PhD, has been promoted to Executive Vice President and President of AmerisourceBergen Drug Corporation, effective immediately. Previously, Mauch served as AmerisourceBergen Drug Corporation's Senior Vice President and Chief Operating Officer. David W. Neu will transition from his previous role as President of AmerisourceBergen Drug Corporation to assume the newly created position of Executive Vice President of Retail Strategy and President of Good Neighbor Pharmacy.