Les R. Greene

About the Author

Les R. Greene, PhD, is a distinguished clinical psychologist and psychoanalyst with over four decades of experience in the field of group psychotherapy. A former faculty member at Yale University School of Medicine, where he directed the Group Therapy Training Program, Greene has dedicated his career to advancing the understanding and practice of group dynamics through rigorous research and innovative training methodologies. His seminal work, Core Principles of Group Psychotherapy: An Integrated Theory, Research, and Practice Training Manual (AGPA Group Therapy Training and Practice Series), serves as a cornerstone resource for therapists, integrating theoretical foundations with practical applications to foster effective group interventions. Greene's contributions extend to numerous publications and presentations, emphasizing evidence-based approaches that enhance therapeutic outcomes in diverse clinical settings. As a mentor and leader in professional organizations, he continues to shape the future of psychotherapy education and practice.