Bachelor, Amherst College, 1975; Doctor of Philosophy in Geology and Geophysics, California Institute Technology, 1979.
Educated at the California Institute of Technology, Amherst College and at Deep Springs College, he has contributed research fundamental to understanding of the composition of the Earth and the behavior of materials under high temperatures and pressures. He is working with colleagues to investigate the conditions inside supergiant exoplanets. Jeanloz is also a prominent figure in nuclear weapons policy, chairing the Committee on International Security and Arms Control at the National Academy of Sciences.
1984 James B.
Fellow American Association for the Advancement of Science, American Geophysics Union (J.B. Macelwane award 1984). Member American Academy Arts and Sciences.