James W. Pennebaker, PhD, the originator of expressive writing, is Regents Centennial Professor of Psychology at the University of Texas at Austin. Dr. Pennebaker conducts award-winning research and has published numerous books on the links between expressive writing and physical and mental health.

Joshua M. Smyth, PhD, is Ohio Eminent Scholar in Health Psychology at The Ohio State University. Dr. Smyth has conducted extensive research on expressive writing and other innovative methods for promoting health and well-being and coping with stress.