Thomas H. Ogden, M.D., is a graduate of Amherst College, the Yale School of Medicine, and the San Francisco Psychoanalytic Institute. He has served as an associate psychiatrist at the Tavistock Clinic, London, and is currently Co-director of the Center for the Advanced Study of the Psychoses, a member of the faculty of the San Francisco Psychoanalytic Institute, and a supervising and personal analyst at the Psychoanalytic Institute of Northern California. Dr. Ogden is the author of Subjects of Analysis, The Primitive Edge of Experience, The Matrix of the Mind: Object Relations and the Psychoanalytic Dialogue, and Projective Identification and Psychotherapeutic Technique. His work has been translated into eight languages. He teaches, supervises, and maintains a private practice of psychoanalysis in San Francisco.