SADDLE RIVER, N.J.--(BUSINESS WIRE)--PDI, Inc. (NASDAQ: PDII), a pioneer in providing contract sales and commercialization services to the biopharmaceutical industry, announces the appointment of pharmaceutical executive David E. Kerr to the position of Senior Vice President of Business Development, to provide leadership and strategy for the commercial success of PDI’s contract sales business. Mr. Kerr will report to Nancy Lurker, PDI’s Chief Executive Officer.