Dr. Gretchen Green is a Brown, Yale, and Harvard educated radiologist practicing in North Carolina. She attended Space Camp four times, and served as a crew trainer.

Dr. Green served on the U.S. Space & Rocket Center Education Foundation's Board of Directors as the alumni representative, and is currently the active chairman of the Space Camp Alumni Association Board. She now serves as the active secretary to the U.S. Space & Rocket Center Education Foundation's Board of Directors as well.