Robert T. Gerlai is a Canadian behaviour geneticist. He obtained his PhD in 1987 from the Eötvös Loránd University and the Hungarian Academy of Sciences in Budapest. He has worked in the biotechnology (Genentech) and biopharmaceutical research industries (Eli Lilly and Company and Saegis Pharmaceuticals) as senior scientist and executive as well as at different universities. Currently, he is a Distinguished professor of psychology at the Department of Psychology at the University of Toronto. The Web of Science lists 297 peer-reviewed publications for him, which have been cited close to 12000 times, resulting in an h-index of 54. Gerlai has worked with several different animal species, including paradise fish and mice. He has been using zebrafish in his research for the past 20 years, and studies the effects of alcohol on brain function and behaviour, including social behaviour, fear-anxiety, and learning and memory.