Tara MacCannell, PhD MSc, is the Global Head and Executive Director of Real World Evidence at Vertex Pharmaceuticals. In her role, Tara leads a team of epidemiologists responsible for the strategy and execution of observational studies in support of early development and Phase I/II programs up through to the end of Phase III. Before joining Vertex, Tara led teams of data scientists and epidemiologists in Real World Evidence and HEOR at Gilead Sciences.