Peter Ward is a paleontologist and astrobiologist who studies life on Earth—where it came from, how it ends, and what that means. His research is focused on the nature of the Cretaceous-Tertiary extinction event, which he explores at field sites in France and Spain. He also looks at speciation patterns and ecology of the living cephalopods. He is a Fellow of the Geological Society of America. In addition to his academic work, he is committed to public outreach, and has written a number of popular books for the a general audience.