Jack J. Lissauer is a Space Scientist at NASA's Ames Research Center in Moffett Field, California, and a consulting professor at Stanford University, California. His primary research interests are the formation of planetary systems, detection of extrasolar planets, planetary dynamics and chaos, planetary ring systems, and circumstellar/protoplanetary disks. He is lead discoverer of the six-planet Kepler-11 system, co-discoverer of the first four planets found to orbit about faint M dwarf stars, and co-discoverer of two broad tenuous dust rings and two small inner moons orbiting the planet Uranus.