Paul Grootendorst is an academic economist and an associate professor in the Leslie Dan Faculty of Pharmacy, University of Toronto. His research interests are in the economic aspects of the pharmaceutical industry, including drug development; pharmaceuticals use, insurance and reimbursement; and interactions between innovative (brand) and generic drug firms. He is also interested in methods for program evaluation using observational data. He is adjunct associate professor in the Department of Economics, McMaster University in Hamilton, Canada, associate editor of Health Economics and past president, Canadian Health Economics Association.