Bachelor of Arts in Astronomy; Bachelor of Science in Physics; Master of Science in Aeronautics Engineering; Ph.D. in Astrophysics & Planetary Sciences; planetary scientist; semi finalist in NASA group 16 selection; was Director of the Southwest Research Institute's Department of Space Studies in Boulder, Colorado; hobbies: hiking, camping, gardening, and writing; since April 02, 2007 Associate Administrator, Science Mission Directorate, NASA Headquarters.