Stephen A. Diamond Ph.D.

Stephen A. Diamond, Ph.D., is a licensed clinical and forensic psychologist (PSY11404) practicing in Los Angeles, and a former pupil and protege of existential psychoanalyst Dr. Rollo May. In addition to providing psychotherapy to adult patients in private practice for more than 40 years, Dr. Diamond is a former member of the Approved Panel of Psychiatrists and Psychologists for the Los Angeles and Santa Clara County Superior Courts (Criminal Divisions), where, for more than a decade, he conducted court-ordered forensic evaluations and served as an expert witness. Dr. Diamond was adjunct professor at Loyola Marymount University and Ryokan College (Los Angeles), has taught at the C.G. Jung Institute-Zurich (Switzerland), Argosy University, John F. Kennedy University, Institute of Transpersonal Psychology, Pacific Graduate School of Psychology (now Palo Alto University), where he was Assistant Clinical Professor and Training Clinic Director, and currently serves as Consulting Psychologist for a private psychiatric hospital, where he provides clinical supervision to graduate students from the Chicago School of Professional Psychology (Los Angeles). He is the author of Anger, Madness, and the Daimonic: The Psychological Genesis of Violence, Evil, and Creativity, with a Foreword by Rollo May (1996), and has contributed chapters to the bestselling anthology Meeting the Shadow: The Hidden Power of the Dark Side of Human Nature (1991), Spirituality and Psychological Health (2005), Forensic Psychiatry: Influences of Evil (2006), the Encyclopedia of Psychology and Religion (2009), the Encyclopedia of Theory in Counseling and Psychotherapy (SAGE, 2015), and Contemporary Theory and Practice in Counseling and Psychotherapy (SAGE, 2015). He has published many articles in professional journals, including the Journal of Applied Psychoanalytic Studies, the San Francisco Jung Institute Library Journal, the Journal of Humanistic Psychology, Dasein, and Existential Analysis. A long-time contributor to Psychology Today, Dr. Diamond serves on the Board of Editors for the Journal of Humanistic Psychology, maintains a private psychotherapy practice, and is currently a contracted External Provider for Kaiser Permanente Medical Group.

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