Rosaly Lopes – Dr. Rosaly M. C. Lopes is a Senior Research Scientist at NASA’s Jet Propulsion Laboratory. She is an expert on volcanoes on Earth and the planets and has worked on the NASA missions Galileo and Cassini. She has visited more than 50 active volcanoes all over the world and written more than 100 peer-reviewed publications. She enjoys bringing the excitement of her research to the general public via lectures, TV shows and books. Rosaly has obtained numerous awards for her work both in science and outreach. In 2005, she was awarded the Carl Sagan medal by the Division for Planetary Sciences of the American Astronomical Society, in recognition of her success in communicating science to the general public.