Greg Johnson is a former NASA astronaut and USAF test pilot. Greg was the Space Shuttle Pilot for the STS-123 and STS-134 missions to the International Space Station. His test pilot career was focused primarily on variants of the T-38 and F-15 aircraft. Greg also served as the Executive Director of CASIS from 2013-2018. There he was in charge of leading half of the science conducted by NASA in the ISS National Lab. Today Greg sits on a variety of boards for companies and nonprofits focused on space.

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