Flight Engineer Jeffrey Williams is a retired NASA astronaut and a veteran of multiple space missions. He was born on January 18, 1958, in Fort Worth, Texas. Over his career, he completed five spaceflights, spending a total of 534 days in space, which is one of the longest durations for an American astronaut. Williams served on the International Space Station (ISS) and contributed to various scientific experiments and research projects. He holds a degree in Aerospace Engineering and has a background as a military pilot, which helped him in his role as a flight engineer during his missions.