David A. Johnson has over 20 years of experience implementing and managing preclinical drug discovery contract research services. In 2000, he joined BioAgilytix San Diego, establishing the Drug Metabolism group which is responsible for preclinical drug metabolism research and non-GLP discovery bioanalytical research. Previously, David was the Drug Metabolism Product Development Manager for the Pharmazyme division of Immune Complex Corporation. Prior to Pharmazyme, David was a Research Assistant at Hybritech where he developed methods to automate the radiolabeling of monoclonal antibodies for use in medical diagnostic kits. He received his bachelor’s degree in Chemistry from the University of California, San Diego and his Ph.D. from the University of Minnesota, Twin Cities.