Email: ehlmann@caltech.edu

Phone: 626-395-6720

Office: 161 SOUTH MUDD

Mailing Address:

A.B., Washington University in St. Louis, 2004; M.Sc., University of Oxford, 2005; M.Sc., 2007; M.S., Brown University, 2008; Ph.D., 2010. Assistant Professor, Caltech, 2011-; Jet Propulsion Laboratory Research Scientist, 2011-.

Remote compositional analysis of planetary surfaces; environmental change over Mars history; chemical and physical weathering processes on terrestrial planets; infrared spectroscopy and quantitative radiative transfer modeling; habitability, rock-microbe interactions, biomarker preservation; early Earth surface environments; environmental science and applications of remote sensing; science policy.