Dr. Roberta M. Hotinski is a geoscientist turned science communicator who has worked at U.S. News & World Report, the National Science Foundation, and most recently Princeton University. As the Information Officer for Princeton's Carbon Mitigation Initiative, Dr. Hotinski helped to develop the "stabilization wedge" game with Drs. Robert Socolow and Stephen Pacala. She has presented the wedge concept and game to audiences around the world and continues to develop wedge-related resources for educators and the general public. Dr. Hotinski earned her B.A. degree in Environmental Geology at Southern Methodist University in 1993, and her Ph.D. degree in Geosciences at Pennsylvania State University in 2000.