Clarissa W. Ong, PhD, is a postdoctoral associate at the Center for Anxiety and Related Disorders at Boston University. Her research interests include acceptance and commitment therapy (ACT), process-based therapy, obsessive-compulsive disorder (OCD), hoarding disorder, and perfectionism.
Michael P. Twohig, PhD, is well known for his work in ACT and OCD, which is closely related to perfectionism. Twohig is professor in the psychology department at Utah State University. He is past president of the ACBS, and a current member of the Association for Behavioral and Cognitive Therapies (ABCT).
Erin deWard is an Audie Award-winning audiobook narrator and a classically trained stage actor. She is a longtime company member of The Strange Bedfellows, a Rockland County, New York-based Shakespeare company.
Randy O. Frost, PhD, teaches abnormal psychology at Smith College in Northampton, Massachusetts. He is coauthor of Buried in Treasures.