SAN FRANCISCO & NEW YORK & DUBLIN--(BUSINESS WIRE)--Elan Corporation, plc (NYSE: ELN) announced today that Renee P. Tannenbaum, Pharm.D., has joined the company as Executive Vice President and Chief Commercial Officer. Dr. Tannenbaum will be based at Elan’s South San Francisco campus and report to Elan President Carlos Paya, MD, PhD.