O' Brien

Executive Director, Global Center for Observational and Real World Evidence, MSD, USA



Megan O’Brien, PhD, MPH, is currently an Executive Director within the Global Center for Observational and Real World Evidence at MSD. In this role, Dr. O’Brien leads the Policy Evidence Research team. The focus of this team is to generate evidence to inform policy related discussions around access to pharmaceuticals, and to contribute to real-world evidence, HTA and value framework policies and standards development. In addition, she leads a company-wide HTA Council whose goal is to ensure the organization contributes to and is prepared for evolution in HTA. In previous roles at Merck, Dr. O’Brien was responsible for the development of economic models for several pharmaceutical products and for value evidence strategies and RWE studies for vaccines. Dr. O’Brien received a PhD in health economics from the Johns Hopkins Bloomberg School of Public health and a Masters Degree in Public Health from Emory University.


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