Dr David Spergel is a professor in the Department of Astrophysical Sciences at Princeton University (USA). His research interests range from the physics of the early universe to the search for extrasolar planets. He is a member of the Wilkinson Microwave Anisotropy Probe science team, part of the Space Interferometery Mission galaxy key project, the National Optical Astronomy Observatory Deep Lensing Survey key project and a member of the Terrestrial Planet Finder science working group.

Spergel was born in Rochester, New York. He received his undergraduate degree from Princeton in 1982 and his Ph.D. from Harvard in 1985. After two years as a long-term member at the Institute for Advanced Study in Princeton, New Jersey, he joined the Princeton faculty in 1987. He has served as Chair on numerous NASA and National Academy of Sciences committees.

David Spergel's web page