High Quality Content by WIKIPEDIA articles! Nicole Marie Passonno Stott is an American engineer and a NASA astronaut. She served as a Flight Engineer on ISS Expedition 20 and Expedition 21 and was a Mission Specialist on STS-129. She is scheduled to fly again as a Mission Specialist on STS-133. In 1988, Stott joined NASA at the Kennedy Space Center (KSC), Florida as an Operations Engineer in the Orbiter Processing Facility (OPF). After six months, she was detailed to the Director of Shuttle Processing as part of a two-person team tasked with assessing the overall efficiency of Shuttle processing flows, and implementing tools for measuring the effectiveness of improvements. She was the NASA KSC Lead for a joint Ames/KSC software project to develop intelligent scheduling tools. The Ground Processing Scheduling System (GPSS) was developed as the technology demonstrator for this project. GPSS was a success at KSC, and also a commercial success that is part of the PeopleSoft suite of software products.