Fugen Neziroglu, Ph.D., ABBP, ABPP

Dr. Fugen Neziroglu is a board-certified cognitive and behavior psychologist and the Co-Founder and Executive Director of the Bio Behavioral Institute in Great Neck, NY. She co-founded the Institute in 1979 with psychiatrist Dr. Yaryura-Tobias the mission to provide cutting-edge, compassionate care for individuals struggling with obsessive-compulsive and related disorders.

For over 40 years, Dr. Neziroglu has been at the forefront of research and clinical innovation in OCD, anxiety, and body-focused repetitive behaviors. She supervises the Institute’s clinical team, conducts research, and provides direct treatment to clients from across the United States and internationally. Her pioneering work helped establish the first outpatient intensive cognitive-behavioral treatment program for OCD in the nation.

Dr. Neziroglu has published more than 150 papers in scientific journals and authored or co-authored 15 books, including Body Dysmorphic Disorder: Advances in Psychotherapy, Children of Hoarders, and Overcoming Body Dysmorphic Disorder. Her work has been featured on TLC’s Hoarders, NBC's The Today Show, CNN, 48 Hours, and Good Morning America. She earned her Ph.D. in Clinical and School-Community Psychology from Hofstra University and completed postdoctoral training at Temple University School of Medicine under Dr. Edna Foa and Dr. Joseph Wolpe. She is a Fellow of the American Board of Behavioral Psychology and serves on the scientific advisory boards of the International OCD Foundation (IOCDF) and the Anxiety and Depression Association of America (ADAA).