Professional title: Donald R. Pettit, PhD
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Donald R. Pettit was selected by NASA in 1996. The Silverton, Oregon native holds a Bachelor of Science in Chemical Engineering from Oregon State University and a Doctorate in Chemical Engineering from the University of Arizona. Prior to becoming an astronaut, he worked as a staff scientist at the Los Alamos National Laboratory, New Mexico.
A veteran of three spaceflights, Pettit served as NASA Science Officer for Expedition 6 in 2003, operated the robotic arm for STS-126 in 2008 and served as a Flight Engineer for Expedition 30/31 in 2012, where he lived aboard the International Space Station for more than 6 months.