Birthname: Sellers; bachelor of science in
chemistry from Missouri Southern State College-Joplin, 1980; master of science
in chemistry from the University of Missouri-Rolla, 1982;
in analytical chemistry from the University of
Washington-Seattle, 1990; engineer at Boeing Aerospace Group; hobbies: Camping,
horseback riding, windsurfing, snow skiing, flying, scuba diving, piano; was
since 2005 Deputy Chief, Astronaut Office, Johnson Space Center; since 2008
Deputy Director, Flight Crew Operations, Johnson Space Center.