Director, Morton Deutsch International Center for Cooperation and Conflict Resolution (MD-ICCCR); Co-Director, Advanced Consortium for Cooperation, Conflict, and Complexity (AC4), The Earth Institute at Columbia University
Department Chair
Director, Programs in Intellectual Disability/Autism
Associate Editor, American Journal on Intellectual and Developmental Disabilities
Professor, Dept of Clinical Psychology; United Nations NGO representative, International Association of Applied Psychology; Trustee, United African Congress