Deniz Sidali, M.A. is a staff therapist at the Albert Ellis Institute (AEI). She received her B.A. and M.A. in Psychology from New York University, and a second M.A. degree in Clinical Psychology from Hofstra University, where she is currently working on completing her Ph.D. in clinical psychology. Ms. Sidali has worked extensively in the field as a therapist for NY State treating sexual offenders, individuals with personality disorders, and conducting group therapy using (DBT) Dialectical Behavior Therapy techniques. Ms. Sidali worked for several years at the BioBehavioral Institute in Great Neck as a study coordinator for clinical drug trials. At the BioBehavioral Institute, she conducted intensive individual and group therapy utilizing cognitive behavioral therapy to treat adults, adolescents and children diagnosed with severe Obsessive-Compulsive Disorder (OCD), Hoarding Disorder, Body Dysmorphic Disorder (BDD) and anxiety disorders. Her research interests include investigating the differences in perceptual distortions in individuals diagnosed with BDD and OCD. Ms. Sidali is a member of the Association for Behavioral and Cognitive Therapies (ABCT) and International Obsessive Compulsive Disorder Foundation (IOCDF).