Landscapes and Geology, Worldwide Travel, Author and Lecturer

I offer outdoor educational adventures such as geology-themed river trips in the Grand Canyon and overland expeditions in the American Southwest and around the world. I also work as an Expert Lecturer for Smithsonian Journeys and National Geolographic Expeditions. I have written and published many award-winning books including “Carving Grand Canyon”, “Sedona Through Time“, and “Ancient Landscapes of the Colorado Plateau”.