Jay Henry Greene (May 17, 1942 – October 8, 2017) was a NASA engineer.
Between 2000 and 2004, he served as Chief Engineer at Johnson Space Center, where his role consisted primarily of advising the Center Director.
He worked as a FIDO flight controller during the Apollo Program and a flight director from 1982 to 1986, and as ascent flight director during the 1986 Space Shuttle Challenger disaster.
Greene worked for four years as a manager on the International Space Station project and received several awards for his work including the NASA Distinguished Service Medal.
After his retirement in 2004 he served as a part-time consultant on the Exploration Systems Architecture Study.
NASA Associate Administrator Rex Geveden described him as "a famous technical curmudgeon in the Agency."
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