Frank John Ninivaggi

Dr. Frank John Ninivaggi is an American child, adolescent, and adult psychiatrist, educator, and author affiliated with the Yale University School of Medicine. His clinical practice and academic writings explore human consciousness, empathy, and psychological resilience.

He is best known as the author of insightful mental health literature, including Jealousy: The Evolution of an Emotion and Envy: Theory, Research, and Clinical Perspectives. His works provide deep psychological analyses of complex, destructive human emotions.

Dr. Ninivaggi’s clinical insights help mental health professionals better understand and treat emotional pathology. His contributions continue to enrich psychiatric literature and therapeutic practice.