People - Division of Geological and Planetary Sciences

Smits Family Professor of Geochemistry and Global Environmental Science

Environmental Science and Engineering; Geochemistry;

Eleanor and John R. McMillan Professor of Geology and Geochemistry

Geochemistry; Geology;

Earle C. Anthony Professor of Geology and Mechanical and Civil Engineering; Director, Center for Geomechanics and Mitigation of Geohazards

Geology; Geophysics;

Konstantin Batygin

Professor of Planetary Science

Planetary Science;

Geoffrey A. (Geoff) Blake

Professor of Cosmochemistry and Planetary Sciences and Professor of Chemistry

Geochemistry; Planetary Science;

Michael E. (Mike) Brown

Richard and Barbara Rosenberg Professor of Planetary Astronomy; Terence D. Barr Leadership Chair, Center for Comparative Planetary Evolution; Director, Caltech Center for Comparative Planetary Evolution

Planetary Science;

Claire E. Bucholz

Professor of Geology

Geology;

Joern Callies

Professor of Oceanography and Environmental Science

Environmental Science and Engineering;

Katherine R. de Kleer

Assistant Professor of Planetary Science and Astronomy; Hufstedler Family Scholar

Planetary Science;

Bethany L. Ehlmann

Professor of Planetary Science; Allen V. C. Davis and Lenabelle Davis Leadership Chair, Keck Institute for Space Studies; Director, Keck Institute for Space Studies

Geology; Planetary Science;

John M. Eiler

Robert P. Sharp Professor of Geology and Geochemistry; Ted and Ginger Jenkins Leadership Chair, Division of Geological and Planetary Sciences

Geochemistry; Geology;

Kenneth A. Farley

W.M. Keck Foundation Professor of Geochemistry

Geochemistry; Geology;

Woodward Fischer

Professor of Geobiology; Divisional Academic Officer for Geological and Planetary Sciences

Geobiology; Geology;

Christian Frankenberg

Chandler Family Professor of Environmental Science and Engineering; Jet Propulsion Laboratory Research Scientist

Environmental Science and Engineering;

John P. Grotzinger

Harold Brown Professor of Geology

Geobiology; Geology;

Michael C. Gurnis

John E. and Hazel S. Smits Professor of Geophysics; Director, Schmidt Academy for Software Engineering

Geophysics;

Jennifer M. Jackson

William E. Leonhard Professor of Mineral Physics

Geophysics;

Joseph (Joe) Kirschvink

Nico and Marilyn Van Wingen Professor of Geobiology

Geobiology; Geology;

Heather A. Knutson

Professor of Planetary Science

Planetary Science;

Shrinivas R. (Shri) Kulkarni

George Ellery Hale Professor of Astronomy and Planetary Science

Planetary Science;

Michael P. Lamb

Professor of Geology

Geology;

Nadia Lapusta

Lawrence A. Hanson, Jr., Professor of Mechanical Engineering and Geophysics

Geophysics;

Jared R. Leadbetter

Professor of Environmental Microbiology

Environmental Science and Engineering; Geobiology;

Laurie Leshin

Vice President and Director of the Jet Propulsion Laboratory; Bren Professor of Geochemistry and Planetary Science

Geochemistry; Planetary Science;

Jonathan Lunine

Professor of Planetary Science

Planetary Science;

Brent Minchew

Professor of Geophysics

Geophysics;

Dianne K. Newman

Gordon M. Binder/Amgen Professor of Biology and Geobiology; Merkin Institute Professor

Environmental Science and Engineering; Geobiology;

Victoria J. Orphan

James Irvine Professor of Environmental Science and Geobiology; Allen V. C. Davis and Lenabelle Davis Leadership Chair, Center for Environmental Microbial Interactions; Director, Center for Environmental Microbial Interactions

Environmental Science and Engineering; Geobiology;

S. Furkan Ozturk (Incoming Assistant Professor, arriving September 2025)

Visiting Associate in Geobiology and Geochemistry

Geobiology; Geochemistry;

Zachary E. Ross

Professor of Geophysics; William H. Hurt Scholar

Geophysics;

George R. Rossman

Professor of Mineralogy

Geochemistry; Geology;

Tapio Schneider

Theodore Y. Wu Professor of Environmental Science and Engineering

Environmental Science and Engineering;

Alex L. Sessions

Nico and Marilyn van Wingen Professor of Geobiology

Environmental Science and Engineering; Geobiology; Geochemistry;

Mark Simons

John W. and Herberta M. Miles Professor of Geophysics; Director, Brinson Exploration Hub

Geophysics;

Joann M. Stock

Professor of Geology and Geophysics

Geology; Geophysics;

Julia Tejada

Assistant Professor of Geobiology; William H. Hurt Scholar

Geobiology; Geochemistry;

Andrew F. Thompson

John S. and Sherry Chen Professor of Environmental Science and Engineering; Director, Ronald and Maxine Linde Center for Global Environmental Science; Executive Officer for Environmental Science

Environmental Science and Engineering;