NEW YORK--(BUSINESS WIRE)--Pfizer today named Dr. Martin Mackay as President of Pfizer Global Research and Development (PGRD); launched an independent, stand-alone biotherapeutics and bioinnovation center under the direction of scientist and entrepreneur Dr. Corey Goodman; and named Dr. Briggs Morrison, who held senior research and development positions at Merck, as its new Head of Clinical Development for the PGRD pipeline.