Kevin R. Grazier
Kevin R. Grazier is a planetary scientist who spent 15 years at JPL on the Cassini Mission. He is now a writer/producer/Hollywood science advisor. He is currently the science advisor on SyFy's Defiance, and previously consulted on Gravity, Pirates of the Caribbean: Dead Men Tell No Tales, Eureka, Falling Skies, and the Peabody-Award-winning Battlestar Galactica. Still an active researcher, he performs large-scale, long-term simulations of early Solar System dynamics and evolution. Grazier also co-authored the books "Hollyweird Science" and "Beyond Hollyweird Science" (with science writer Stephen Cass) exploring how science and scientists are portrayed in the entertainment industry.