Dr. Nicholas Farrell is Director of Clinical Development & Programming for NOCD and a licensed clinical psychologist. He also developed and leads the NOCD clinical services treatment program for PTSD. Dr. Farrell has extensive experience with OCD, anxiety disorders, trauma, and eating disorders. His clinical career has centered around directly providing exposure-based therapies for complex cases and supervising other mental health providers in their professional development.

Dr. Farrell received his master's and doctoral degrees in clinical psychology from the University of Wyoming. He completed his predoctoral internship training as a psychology resident at St. Joseph’s Healthcare Hamilton.

Dr. Farrell has conducted research and is a published author on maximizing the effectiveness of exposure therapy. He is an experienced instructor, having given numerous workshops and training seminars on the topic of exposure therapy for a wide array of anxiety conditions at various national and international conferences.