Space exploration

Andrzej Stewart, "NASA: Travel to Mars & Mission Simulations Experience in Johnson Space Center, and Hawaii" - Andrzej is an experienced spacecraft operator for a wide variety of NASA missions.  He's worked as a spacecraft mission controller for NASA's Mars orbiter fleet, Juno, GRAIL, and the Spitzer Space Telescope.  He now works in Mission Control at the Johnson Space Center developing tracking and navigation operations for upcoming missions of the Orion spacecraft.