*Wayne Ranney is a geologic interpreter and author, has served as a backcountry ranger in the Grand Canyon and has traveled over the world as a renowned speaker. He is an adjunct faculty member at Yavapai College in Sedona and has authored Ancient Landscapes of the Colorado Plateau and Carving Grand Canyon and Sedona Through Time.
•Dave Gillette has an endowed chair position at the Museum of Northern Arizona and is the former Utah State Paleontologist. He is responsible for some of the most significant paleontological discoveries in the Grand Staircase.
To learn more about the park's geology through interactive games and an Electronic Field Trip broadcast produced by the National Park Foundation go to Bryce Canyon Field Trip or for a schedule of the festival activities go to Bryce Canyon Festival.