Nathalie A. Cabrol is a French-American explorer and astrobiologist and the Director of the Carl Sagan Center at the SETI Institute. She researches habitability and life beyond Earth, develops science exploration strategies for NASA for Mars and Titan, designs robotic field tests, and leads projects in planetary science and astrobiology. Cabrol documents life’s adaptation to extreme environments and the effects of rapid climate change. She has written over six hundred peer-reviewed publications and conference proceedings and has published four books on planetary science. Cabrol also holds the women’s world record for free and scuba diving at altitude. Born in France, she lives in California.