#60;b#62;Stephen Brusatte#60;/b#62; is a vertebrate paleontologist and PhD student at Columbia University and the American Museum of Natural History. His research focuses on the anatomy, systematics, and evolution of fossil vertebrates, especially theropod dinosaurs. He is particularly interested in the origin of major groups such as dinosaurs, birds, and mammals. Steve is the author of over 40 research papers and three books, and his work has been profiled in the New York Times, on BBC Television and NPR, and in many other press outlets.