Presenter Details

Greg Stock (he/him) Greg Stock is the first-ever Yosemite National Park geologist. He received a degree in Geology from Humboldt State University and a PhD in Earth Sciences from UC Santa Cruz. A near-lifelong resident of the Sierra Nevada, Greg has studied and mapped the geology of the Sierra Nevada and Mono Basin for more than 30 years. He resides in Yosemite Valley with his wife Sarah.