Kirsten Siebach Martian Geologist


Kirsten Siebach will be starting as an Assistant Professor in the Rice University Department of Earth, Environmental, and Space Sciences in the Fall of 2018! She is currently a post-doctoral research associate at Stony Brook University working with Professor Scott McLennan to interpret the geochemistry of sedimentary rocks observed by the Mars Science Laboratory rover. She completed her PhD in Geology with Professor John Grotzinger at Caltech in May of 2016 with a dissertation titled “Formation and Diagenesis of Sedimentary Rocks in Gale Crater, Mars”. Prior to Caltech, she attended Washington University in St. Louis, where she worked with Professor Ray Arvidson and graduated summa cum laude with a B.A. in Earth & Planetary Science and Chemistry in 2011.

She is currently a member of the Science and Operations Teams for the Mars Exploration Rovers and the Mars Science Laboratory. Her research focuses on understanding the history of water interacting with sediments on Mars through analysis of sedimentary rock textures and chemistry. She is also actively engaged in promoting education and outreach related to Earth and Planetary science and regularly presents at schools and outreach events. Outside of professional interests, she loves travel and photography (on Earth as well as Mars), and enjoys swimming, hiking, and social dancing.


I am a planetary geologist and outreach enthusiast. I help operate the Mars rovers and study the rock record on Mars. I love travelling the world, taking pictures, and sharing my passion for science and exploration with others!
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