Alexander Tropsha is a chemist and professor at the University of North Carolina - Chapel Hill. Tropsha is Associate Dean for Pharmacoinformatics and Data Science at the UNC Eshelman School of Pharmacy. His primary fields of research are cheminformatics and quantitative structure-activity relationship (QSAR) modeling in the context of drug discovery. As of 2015, Tropsha has been an associate editor of the American Chemical Society’s Journal of Chemical Information and Modeling.