Cady Coleman

Former NASA Astronaut; Retired U.S. Air Force Officer & Chemist

Leland Melvin

Engineer, Former NASA Astronaut & Former NFL Wide Receiver

Anousheh Ansari

CEO of X Prize Foundation & First Female Private Space Explorer

Chris Hadfield

First Canadian to Walk in Space; Retired Astronaut & Former Commander of the International Space Station

Katya Echazarreta

First Mexican-Born Woman in Space, Electrical Engineer & Co-Host of Netflix’s "IRL" and "Oddly Satisfying Science"

Do you feel like you're not good enough? (Engineering students)

Stephen Attenborough

Director of Virgin Galactic

Hayley Arceneaux

St. Jude Children's Research Hospital Employee; Bone Cancer Survivor; Youngest American in Space

Christian Davenport

Peabody Award-Winning Reporter at The Washington Post & Author of "The Space Barons"