Gregory H. Johnson (Col, USAF, Ret.) is a former air force officer, aerospace engineer, fighter/test pilot, MBA and NASA astronaut. He is currently Executive Director of Newton' s Road, a youth development non-profit, and the Managing Director of the Traverse City Space Accelerator, a division of Boomerang Catapult, LLC, both in northern Michigan. He also serves on multiple boards in the non-profit and space sectors and is a consultant for innovation and STEM education in several networks including the Boy Scouts of America. While in the Air Force, Johnson flew numerous aircraft including the F-15E in combat operations. With NASA, Johnson served as the pilot aboard Space Shuttle Endeavour on the STS-123 and STS-134 missions. After leaving NASA in 2013, Johnson served as Executive Director for the Center for the Advancement of Science in Space, a non-profit that managed the ISS National Laboratory, complementing NASA's traditional projects to facilitate non-traditional innovation, commercial research, technology demonstration, and STEM education.