Piers Sellers. Mission Specialist.
Born in Crowborough in the United Kingdom, Sellers was an environmental scientist prior to becoming a US citizen and joining the NASA astronaut corps in 1996.
He has flown as a mission specialist on the Space Shuttle three times: STS-112, STS-121, and STS-132. During his first two flights he conducted six EVAs (space walks) for a total time of 41 hours and 10 minutes. His last flight was aboard the last scheduled flight of Atlantis prior to the retirement of the shuttle fleet.
This photograph was taken by the pool at Sellers Houston home in October 2007.