Dr. Vaughans is a licensed clinical psychologist and a psychoanalyst with a private practice in New York City. He is a senior adjunct professor of psychology at the Derner Institute of Advanced Psychological Studies at Adelphi University, visiting faculty member and Honorary Member at the Institute for Psychoanalytic Training and Research (IPTAR), and also holds an adjunct faculty appointment in the NYU Postdoctoral Program in Psychotherapy and Psychoanalysis. He is Director of the Denver Postgraduate Program in Child and Adolescent Psychotherapy, where he serves as the Director of the Derner/Hempstead Child Clinic. He is also an active member of the Research Council of the New York City Young Men’s Initiative and the chairman of the board for The Harlem Family Institute: a Multicultural Psychoanalytic Training Institute.

Additionally, Dr. Vaughans is the founding editor of the Journal of Infant, Child, and Adolescent Psychotherapy; and he is a retired school psychologist and the former Regional Director of the New Hope Guild Centers for Child Mental Health of Brooklyn.