Assistant Professor
Mayo Clinic Rochester
Dr. Sheyna Gifford (MD, MPH, MBA, MS, MA) is a Mayo Clinic Assistant Professor of Aerospace and Occupational Medicine; a rehabilitation physician; a flight surgeon for aspiring astronauts with disabilities, military and civilian pilots; a medical researcher; and a simulated astronaut. She is a captain in the US Air Force Reserve, a STEM educator, and a professional science communicator. She’s spent 380 days in simulated space and is the former head of Medical Operations for AstroAccess, an organization that promotes disability inclusion in human space exploration. With the goal of improving human health and safety in space and on Earth, her research team, SpaceXray, took the first X-rays and DEXA scans in space in April 2025.