WILMINGTON, N.C.--(BUSINESS WIRE)--PPD, Inc. (NASDAQ: PPDI) today announced the appointment of Deborah Covington, Dr.PH., as global head of observational studies and pregnancy registries. In this role, she will provide leadership and direction to the company’s late stage group and serve as a member of the strategic and scientific advisory team. Her appointment follows the global expansion of the company’s late stage research services, which include Phase IIIb-IV clinical trials, epidemiology, registries, observational studies and safety surveillance studies.