Suzanne C. Segerstrom, PhD, is an associate professor of psychology at the University of Kentucky in Lexington. She has conducted extensive research on the relationship between optimism and well-being. Dr. Segerstrom's work has been funded by the National Institutes of Health, the Norman Cousins Program, and the Dana Foundation. She is also the winner of the Templeton Positive Psychology Prize for her work on optimism. She lives near Lexington, Kentucky, with her husband and their three dogs.