David J. Duff is an accomplished medical communications professional with 25+ years of experience in the Biologics and Pharmaceutical Industries. David has held diverse positions of increasing responsibility. Specific experience in Neurology, Psychiatry, Oncology and immunologic aspects of Biologics. David has worked for large pharmaceutical companies including AstraZeneca and Novartis, 2 small startup companies and a mid-size pharmaceutical company. David has also worked as a self-employed consultant to the pharmaceutical industry.