Peter Girguis

Associate Professor of Natural Sciences at Harvard; Adjunct Research Engineer at the Monterey Bay Aquarium Research Institute

Dr. Hendrik Poinar

Evolutionary Biologist Specializing in Ancient DNA

Dr. Phil Plait

Blogger for Discover Magazine at Bad Astronomy, where he deconstructs misconceptions and explores the wonder of the Universe.

Molly Crockett

Globetrotting Neuroscientist investigating altruism, morality and economic decision-making.

Fiorenzo Omenetto

Professor of Biomedical Engineering; Physicist

Garrett Reisman

Astronaut, Professor of Astronautical Engineering at USC & Senior Advisor at SpaceX

Jill Tarter

Astronomer & Bernard M. Oliver Chair for SETI Research at the SETI Institute; Recognized for Work on Extraterrestrial Intelligence

Pamela Melroy

Retired Air Force Officer & Former NASA Astronaut

From Star Trek Posters to NASA: The Journey of Pamela Melroy '83

Andrew Connolly

Astronomer

Carolyn Porco

Planetary Scientist Known for her Work in the Exploration of the Outer Solar System

Mario Livio

Renowned Astrophysicist, Lecturer, and Best-selling Author

Maria Banks

Post-Doctoral Fellow, Center for Earth and Planetary Studies, National Air and Space Museum, Smithsonian Institution

Peter Cattermole

Former Principal Investigator with NASA's Planetary Geology and Physics Program, Specialising on the Study of Volcanoes on Mars and Venus