Ron Garan

Retired NASA Astronaut, Fighter Pilot & Author of "The Orbital Perspective - Lessons in Seeing the Big Picture from a Journey of 71 Million Miles"

Mary Ellen Weber

Former NASA Astronaut & Legislative Affairs Liaison at NASA; Founder of Stellar Strategies

Robert Curbeam

Former NASA Astronaut & Retired Captain in the U.S. Navy; Record Holder for Most Spacewalks During a Single Spaceflight

Frank Culbertson

Former Naval Officer, Aviator, Test Pilot, Aerospace Engineer & NASA Astronaut

Garrett Reisman

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

Sunita Williams

NASA Astronaut; Formerly Held the Records for Total Spacewalks & Most Spacewalk Time by a Woman

Peggy Whitson

Director at Axiom Space; NASA's Most Experienced Female Astronaut; Biochemistry Researcher

Peggy Whitson, American with most time in space, set to return to ...

Ken "Hock" Ham

Astronaut, Navy Test Pilot, Speaker

Fred Gregory

Astronaut, Military Fighter & Test Pilot

Mark Polansky

Former NASA Astronaut, Military Fighter & Test Pilot

David Wolf

Astronaut, Medical Doctor, Engineer, Scientist, Inventor & Aerobatic Pilot

Matt Guthmiller

Entrepreneur. Pilot. Software Engineer. MIT. Youngest person to solo circumnavigate by air.

Leroy A. Petry

Retired United States Army Soldier & President of the Congressional Medal of Honor Society; Recipient of the U.S. Military's Highest Decoration, the Medal of Honor

Gregory H. “Box” Johnson

Former NASA Astronaut, Retired Air Force Colonel & Past President of the Center for the Advancement of Science in Space

Michael Lopez-Alegria

Former Astronaut & Navy Test Pilot

Steve “Oz” Oswald

Astronaut, Military/Civilian Test Pilot, Senior Executive, and Speaker

Mark N. Brown

NASA Astronaut, USAF Fighter Pilot, Engineer, NASA & Corporate Manager

Daniel Tani

NASA Astronaut & Engineer

Clayton Anderson

Former NASA Astronaut; Author of "The Ordinary Spaceman: From Boyhood Dreams to Astronaut"

Pamela Melroy

Retired Air Force Officer & Former NASA Astronaut

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

Ashley Dove-Jay

Crew Commander of Mars analog astronauts expedition, aerospace engineer (PhD), 3x TEDx speaker, prolific pop-sci writer, space columnist

Ty Carter

United States Army Staff Sergeant & Medal of Honor Recipient

Will Marshall

Co-Founder & CEO of Planet Labs

Jordan P. Evans

NASA Engineer; Key Leader of the Mars Science Lab Curiosity Rover Team; Space Robotics Futurist; STEAM Evangelist

William Wagasy

Former Navy SEAL; Vice President at National Sales & National Commercial Services at Commonwealth Land Title Insurance Company

Louis-Philippe Loncke

European Adventurer 2016, Explorer, Motivational Speaker, Entrepreneur, Management Consultant

Charlie Alejandro

Motivational Speaker, Writer, Actress & Radio Talk Show Host

Dr. Roberta Bondar

Canada's First Female Astronaut; World's First Neurologist in Space

Dava Newman

Former Deputy Administrator of NASA; Professor of Aeronautics & Astronautics at MIT; Director of MIT Media Lab

Arati Prabhakar

Director of the White House Office of Science and Technology Policy & Assistant to the President for Science and Technology