As a structural geologist, Marcia Bjornerud focuses on the physics of earthquakes and mountain building. She combines field-based studies of bedrock geology with quantitative models of rock mechanics and has done field research in Norway, New Zealand, arctic Canada, Italy and the Lake Superior region. She is a Fellow of the Geological Society of America, and and has been a Fulbright Senior Scholar at the University of Oslo, Norway and University of Otago, New Zealand. She is the author of two book for popular audiences, Reading the Rocks: The Autobiography of the Earth, and Timefulness: How Thinking Like a Geologist Can Help Save the World, and is a contributing writer to the New Yorker, Wired, the Wall Street Journal and the Los Angeles Times.