Richard Gallagher, Ph.D. is a clinical psychologist with postdoctoral training in neuropsychology. He is an Associate Professor of Child and Adolescent Psychiatry and Psychiatry at the New York University School of Medicine. Dr. Gallagher has been treating children with selective mutism since 1986. He has developed a behavioral treatment protocol that he has shared with numerous trainees in psychology at both Long Island Jewish Medical Center and the Child Study Center at NYU Langone Health where he founded the Selective Mutism Program and is currently Co-Director of the program. Dr. Gallagher has provided a number of workshops for school personnel and professionals and presented at professional conventions on the topic of assessment and treatment of selective mutism since 1990. Dr. Gallagher has served on the research advisory board of the Selective Mutism Foundation and the Selective Mutism Association.