Story Musgrave, M.D.

Retired NASA Astronaut; Physician & Professor at Art Center College of Design

Alberto Ajayi Mata

Digital Marketing Expert, Entrepreneur & Ex-NASA Scientist

Jeremy Gilley

Actor, Filmmaker & Founder of the Peace One Day Non-Profit

Bunker Roy

Founder of Barefoot College

Harald Haas

Communications Technology Innovator & Chair of Mobile Communications at the University of Edinburgh

Dr. Phil Plait

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

B. Gentry Lee

Chief Engineer for Solar System Exploration, Jet Propulsion Laboratory

Gwynne Shotwell

President & COO of SpaceX

SpaceX's Gwynne Shotwell: We'll put people on Mars within the next ...

James Melton

Author, Pilot & Leadership Coach

Dottie Metcalf-Lindenburger

Former NASA Astronaut; Educator & Earth Scientist

Betül Kaçar

Astrobiologist, Professor at University of Arizona & Principal Investigator of Project MUSE

Dr. Paul Davies

Director of BEYOND: Center for Fundamental Concepts in Science; Physicist, Cosmologist & Astrobiologist

Clara Sousa-Silva

Quantum Astrochemist & Science Communicator

Dr. Kirby Runyon

Space Exploration Leader & Zero Gravity Coach and Planetary Geologist, CEO of Planex.space

Dr. Kathryn Clark

NASA Scientist, Pilot & Engineer

Elio Morillo

Spacecraft Systems Leader & DEI Advocate

June Scobee Rodgers

Author, Speaker, Educator; Widow of Challenger Space Shuttle Commander Dick Scobee

Jerry L. Ross

Former astronaut & Author of "Spacewalker: My Journey in Space and Faith as NASA's Record-Setting Frequent Flyer"

Alex Filippenko

Professor of Astronomy at UC Berkeley Specializing in Supernovae; Gruber Cosmology Prize & Carl Sagan Prize for Science Popularization Recipient