Bachelor of Science in Physics from the Rice University, 1987; Master of Science in Astrophysics from the Rice University, 1992; Ph.D. in Astrophysics from the Rice University, 1993; semi-finalist in NASA astronaut groups 15, 16, 17 and 18 selections; at the time of selection Acting Manager, On-Orbit Engineering Office, International Space Station (ISS) Office, Johnson Space Center; hobbies: cooking, soccer, running, weight training, flying, camping, and travel.