Middleton, WIPast: Global Director Quality Assurance at Covance Senior quality executive. Successful implementation of quality management system at two start-up medical device companies and one contract research... Senior quality executive. Successful implementation of quality management system at two start-up medical device companies and one contract research organization. 22+/yr. in the in vitro diagnostics/pharmaceutical industry, CLIA and CRO. Diverse scientific training and industry experience.