Originally from Montreal, Canada, Dr. Greg Chamitoff served as a NASA Astronaut for 15 years, including two Shuttle Missions and a long duration International Space Station Mission as part of Expedition 17 and 18. He has lived and worked in Space for almost 200 days as a Flight Engineer, Science Officer, and Mission Specialist. His last mission was on the final flight of Space Shuttle Endeavour, during which he performed two spacewalks, the last of which completed the assembly of the Space Station and was the final spacewalk of the Space Shuttle program. Dr. Chamitoff serves as Professor of Practice in Aerospace Engineering and Director of the AeroSpace Technology Research & Operations (ASTRO) Center at Texas A&M University.