Astronaut 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 has served on the Space Camp Alumni Association Board and is currently on the U.S. Space & Rocket Center Education Foundation's Board of Directors. In May of 2025, Dr. Green added the title of Astronaut to her resume, flying aboard Blue Origin’s NS32 New Shepherd rocket.