Robert Platt is Professor in the departments of Pediatrics and of Epidemiology, Biostatistics, and Occupational Health at McGill University. He holds the Albert Boehringer I endowed chair in Pharmacoepidemiology. Since December 2016, Dr. Platt is the executive co-lead of the Canadian Network for Observational Drug Effect Studies (CNODES); he has led the methods team of CNODES since its inception. In this role he has led a methods research and training program for CNODES and has participated as senior methodologist in several CNODES studies. Dr. Platt received his PhD in Biostatistics from the University of Washington in 1996 and has been on faculty at McGill since then. His research interests are in statistical methods and applications for administrative-data pharmacoepidemiology, and in methods for causal inference from epidemiologic studies. His methodologic interests are in marginal structural models for analyses of large administrative-data cohorts, in particular with regard to specification and optimization of the propensity score and inverse probability weights.