Anthony Pinto, PhD , is senior director of the Northwell Health OCD Center, a specialized outpatient program at Zucker Hillside Hospital in New York that treats obsessive-compulsive disorder (OCD) and obsessive-compulsive personality disorder (OCPD), and associate professor of psychiatry at the Donald and Barbara Zucker School of Medicine at Hofstra/Northwell. He has published extensively on OCD and related conditions, and is a leading authority on OCPD. He is coeditor of Obsessive-Compulsive Personality Disorder . Pinto has been active in raising awareness about OCPD among both clinicians (through conference presentations and clinical trainings) and the general public (through media interviews). He is lead author of the Pathological Obsessive-Compulsive Personality Scale (POPS), a questionnaire for assessing the severity of OCPD and its component traits. He serves on the Scientific and Clinical Advisory Board of the International OCD Foundation (IOCDF), is a faculty member for the IOCDF's Behavior Therapy Training Institute, and is a founding member and advisor to the OCPD Foundation. Michael Wheaton, PhD , received his PhD in clinical psychology from UNC-Chapel Hill, and completed his postdoctoral training in the Center for OCD and Related Disorders at the New York State Psychiatric Institute/Columbia University Medical Center. He is currently assistant professor of psychology at Barnard College.

His research has received grant funding from the National Institutes of Health (NIH), IOCDF, America Psychological Foundation, and Association for Psychological Science. Wheaton has previously worked as a study therapist in National Institute of Mental Health (NIMH)-funded clinical trials utilizing cognitive behavioral therapy (CBT) for OCD, and also runs a small private practice focused on OCD and related disorders (including OCPD) in New York, NY. Foreword writer Jon Hershfield, MFT , is director of The Center for OCD and Anxiety at Sheppard Pratt in Towson, MD. He specializes in the use of mindfulness and CBT for OCD and related disorders. Jon is a member of the Scientific and Clinical Advisory Board of the IOCDF, and is on the faculty of their Behavioral Therapy Training Institute. He is author of Overcoming Harm OCD , When a Family Member Has OCD , and The OCD Workbook for Teens , and coauthor of The Mindfulness Workbook for OCD and Everyday Mindfulness for OCD .