Dr. Alex MacDonald

Senior Economic Advisor at NASA

Margaret Hamilton

Computer Scientist & Systems Engineer; Lead Apollo Engineer at NASA

Jonathan Arenberg

Chief Mission Architect for Science & Robotic Exploration at Northrop Grumman Space

Lori Garver

CEO of Earthrise Alliance

Sean Carroll

Physicist & Cosmologist at Caltech

Doug Wheelock

Astronaut, Engineer, U.S. Army Aviator

Jim Wetherbee

Former Astronaut & Author

Jim Wetherbee | GDS Event Experience

Earl Maize

Cassini Program Manager at NASA's Jet Propulsion Laboratory

Mimi Aung

Burmese-American Engineer and Project Manager at NASA's Jet Propulsion Laboratory

Risa Wechsler

Astrophysicist & Cosmologist

Laurence Bergreen

Award-winning Biographer, Historian and Author of "Columbus: The Four Voyages" and "Over the Edge of the World: Magellan's Terrifying Circumnavigation of the Globe"

Aman Advani and Gihan Amarasiriwardena

Cofounders, Ministry of Supply

Nikunj Oza

Nikunj Oza is a member of NASA's Intelligent Data Understanding where he leads a team applying data mining to the problem of health management for aerospace vehicles.

Tom Marshburn

Physician & Chief Medical Officer for the Human Exploration & Operations Mission Directorate at NASA; Retired Astronaut & Flight Surgeon

Thomas Marshburn Contributed To Disney*Pixar's Lightyear As Consultant

Gregory Robinson

James Webb Space Telescope Program Director

David Grinspoon

American Astrobiologist, Senior Scientist at the Planetary Science Institute

Venus Revealed: A New Look Below The Clouds Of Our Mysterious Twin Planet

Christian Maender

Executive Vice President, Space Commercialization at Axiom Space

Christian Maender - The Angry Astronaut

Alan Stern

Engineer, Planetary Scientist & Author

Michelle Thaller

Astronomer & Assistant Director for Science Communication at NASA's Goddard Space Flight Center

Anna Menon

Polaris Dawn Mission Specialist & Medical Officer; Lead Space Operations Engineer at SpaceX; Children's Book Author

Anna Menon - CBS Texas