Diana Diamond

About the Author

Dr. Diana Diamond is a renowned clinical psychologist and psychoanalyst with over three decades of experience in treating personality disorders, particularly pathological narcissism. She is a co-founder of the Personality Disorders Institute at Weill Cornell Medical College and a leading authority on transference-focused psychotherapy (TFP), an evidence-based treatment she helped develop to address the deep-seated emotional and relational challenges faced by individuals with narcissistic traits. Her groundbreaking research bridges psychoanalytic theory and empirical science, offering practical insights for therapists and patients alike. Diamond's work emphasizes empathy, self-reflection, and transformative change, making complex psychological concepts accessible to both professionals and the general public. Through her writings and clinical practice, she continues to advance the understanding and treatment of narcissism in contemporary society.