Patrick Ryan, PhD is Senior Director of Epidemiology and the Head of Epidemiology Analytics at Janssen Research and Development. He is currently a collaborator in Observational Health Data Sciences and Informatics (OHDSI, htttp://ohdsi.org). He served as a principal investigator of the Observational Medical Outcomes Partnership (OMOP), a public-private partnership chaired by the FDA. Patrick received his PhD in Pharmaceutical Outcomes and Policy from University of North Carolina at Chapel Hill.