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John P. Grotzinger

Fletcher Jones Professor of Geology; Ted and Ginger Jenkins Leadership Chair, Division of Geological and Planetary Sciences
John Grotzinger
Contact information for John P. Grotzinger
Contact Method Value
Mail Code: MC 170-25
Office: 359 Arms Laboratory
Phone: 626-395-6785
Email: grotz@​
Administrative Assistant:
B.S., Hobart College, 1979; M.S., University of Montana, 1981; Ph.D., Virginia Polytechnic Institute and State University, 1985. Visiting Associate Professor, Caltech, 1996; Moore Distinguished Scholar, 2004; Fletcher Jones Professor, 2005-; Division Chair, 2014-; Jenkins Leadership Chair, 2016-.

Research Interests

Sedimentology; stratigraphy; geobiology; ancient surface processes on Earth and Mars. Field-based investigations of depositional systems are the starting point for analysis of past processes, interactions between life and environment, and tectonic and climatic regimes.
For more information about my research, please see my personal website.


Selected Publications

Please see John Grotzinger's publications page: