Co-Founder and Core Faculty Emeritus David Daniels, MD is a clinical professor of psychiatry and behavioral sciences at Stanford Medical School. He is a leading developer of the Enneagram system of nine personality styles, and co-author of the bestseller, The Essential Enneagram (Harper Collins), updated and revised with vital new material in 2009. He also co-developed the outstanding DVD, The Enneagram: Nine Paths to a Productive and Fulfilling Life and The Enneagram in the Workplace. In private practice for more than 40 years, David also has taught the Enneagram system at Stanford, in the community and internationally since 1992. He co-founded the Enneagram Professional Training Program (EPTP) with Helen Palmer in 1988. They also were founders of the International Enneagram Association (IEA). David brings his knowledge of the Enneagram to individuals, couples and groups, and to a wide range of applications in clinical practice and the workplace. He has developed many innovative workshops including the Dynamics of Vital Relationships, Anger and Forgiveness, Loss and Grief as Transformers, the Enneagram’s Gift to Love and Life, Intimate Relationships, Love and Will, and the Enneagram’s Gift to Mastering Conflict Constructively and Compassionately. Visit his website at www.drdaviddaniels.com for a wealth of information. David has been married to Judy Daniels for 60 years. They have three children and three grandchildren.