Doris Sloan is a retired Adjunct Professor in the Dept. of Earth and Planetary Science at UC Berkeley. She has a MS in geology and PhD in paleontology, both from UC Berkeley. She taught in the Environmental Sciences program at UCB, and taught geology for UC Extension. She has led field trips for the Oakland Museum, Sierra Club, Yosemite Association, Pt. Reyes Field Seminars and other organizations. She also has traveled widely with Cal Alumni groups to the far corners of the Earth, including the Arctic and Antarctic, Nepal, Scandinavia, Russia, Central Asia, and South America, and currently leads trips to Iceland. Her research has focused primarily on the history of San Francisco Bay. She is the author of Geology of the San Francisco Bay Region, published in 2006 by the University of California Press in their California Natural History Series. She is a founding member of the CESP Board of Directors.