Space Exploration Leader & Zero Gravity Coach and Planetary Geologist, CEO of Planex.space
The Overview Effect at Home: Exploring Otherworldly Terrain With Space Tourists on Earth
Discovered Evidence of Water on Mars, Blaustein Scholar at Johns Hopkins University Earth and Planetary Science Dept
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"
