Dr. Elizabeth Carlen is a Living Earth Collaborative postdoctoral fellow and a former National Science Foundation postdoctoral fellow at Washington University in St. Louis working with Dr. Jonathan Losos. Her postdoctoral research focuses on the impacts of urbanization and environmental racism on Eastern Gray Squirrels. Dr. Carlen received a PhD in Biological Sciences from Fordham University in New York City. Her Ph.D. research, on how urbanization affected the evolution of feral pigeons in the Northeastern Megacity (Boston, MA to Washington, DC), was featured on Saturday Night Live and led The New York Times to refer to her as the “Pigeon Stalker”. In addition to her dissertation research, Dr. Carlen is a co-founder and editor of the urban evolution blog Life in the City: Evolution in an Urbanizing World.