John M. Grunsfeld
John M. Grunsfeld was named Associate Administrator for the Science Mission Directorate at NASA Headquarters in Washington, D.C. in January 2012. He previously served as the Deputy Director of the Space Telescope Science Institute in Baltimore, managing the science program for the Hubble Space Telescope and the forthcoming James Webb Space Telescope. Grunsfeld’s background includes research in high energy astrophysics, cosmic ray physics and in the emerging field of exoplanet studies with specific interest in future astronomical instrumentation.
Grunsfeld graduated from the Massachusetts Institute of Technology in 1980 with a bachelor’s degree in physics. He subsequently earned a master’s degree and, in 1988, a doctorate in physics from the University of Chicago using a cosmic ray experiment on the space shuttle Challenger for his doctoral thesis. From Chicago, he joined the faculty of the California Institute of Technology as a Senior Research Fellow in Physics, Mathematics and Astronomy.
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