Marcia Bjornerud is a Professor of Geology and Environmental Studies and her research focuses on the physics of earthquakes and mountain-building. She combines field-based studies of bedrock geology with quantitative models of rock mechanics.

She is the author of Timefulness: How Thinking Like a Geologist Can Help Save the World, Reading the Rocks: The Autobiography of the Earth and is a contributing writer to the New Yorker’s Annals of Technology blog.