# Dan Tomasulo

Daniel Joseph Tomasulo (born July 20, 1951) is an American counseling psychologist, writer, and professor who teaches positive psychology at Teachers College, Columbia University in the Spirituality Mind Body Institute (SMBI) clinical psychology program, and in the Master of Applied Positive Psychology program at the University of Pennsylvania, and is the Director of the New York City Certification in Positive Psychology for the New York Open Center. His clinical specialization is in psychodrama and sociometry, with an academic specialization in intellectual disabilities. Tomasulo developed Interactive Behavioral Therapy (IBT) and later Positive-Interactive Behavioral Therapy (P-IBT), forms of group psychotherapy for people with intellectual disabilities, and coauthored the American Psychological Association’s first book on the subject: Healing Trauma: The Power of Group Treatment for People with Intellectual Disabilities (2005) with Nancy Razza.