The Enneagram Spectrum of Personality Styles 2e: 25th Anniversary Edition with a New Foreword by the Author

Wagner, Jerome: - Jerry Wagner, Ph.D. is a clinical psychologist, supervisor, psychotherapist and consultant in private practice, and is a retired teaching professor in the Department of Psychology and Institute of Pastoral Studies at Loyola University, Chicago. Introduced to the Enneagram system in 1971, Dr. Wagner was among the earliest students of the Enneagram in the United States. His dissertation was one of the first written descriptions of this personality typology and pioneered formal research studies on the Enneagram.